Please contact Steven Lewis to suggest new resources or report broken links.
Search Engines
Health Care Associations
Science & Medical News
Health & Medical Reference
Science Methods
Metrics & Measurement
Chemical Foundations
Biological Molecules
Human Biology Resources
Anatomy Model Photos, Quizzes
Physiology & Homeostasis
Terminology & Classification
Nervous System
Endocrine System
Skeletal System
Integumentary System
Muscular System
Cardiovascular System
Microbiology & Defense
Respiratory System
Digestion & Nutrition
Urinary System
Reproductive Systems
Nystrom Torso Video Tour (10 minutes)
Video guides to: Occupational Therapy Assistants ||| Physical Therapy Assistants ||| Surgical Technologists ||| Dental Assistants ||| Radiologic Technologists ||| Paramedics and EMTs
 Search   for  
National Library of Medicine (PubMed) (search professional medical literature)
Medical Dictionaries: MedicineNet ||| Stedman's / Dorland's ||| Free Medical Dictionary ||| Etymology


  • National Library of Medicine
  • Health News Review
  • Eureka Alert (AAAS)
  • Science Daily
  • Science News
  • SciTech Daily
  • World Science
  • AAAS News
  • News from PhysOrg
  • Medical News Today
  • Medicinet Health News
  • World Health News
  • MedPage Today
  • CNN Health News
  • Google Health News
  • USA Today Health News
  • Medical News Today
  • The Scientist
  • New York Times
  • Brain News
  • Drug Alert

    2. Leading Causes of Death United States and worldwide.
    3. Leading Causes of Death United States 1900-1998 (CDC PDF)
    4. Board of Healing Arts: Kansas and Missouri
    5. Kansas City Doctors (find a physician)
    6. U.S. Preventive Task Force Recommendations
    7. Cochrane Medical Reviews
    8. World Health Organization (health education and statistics)
    9. Food and Drug Administration (FDA) (food and drug safety)
    10. Atlas of First Aid: A Case Study Approach
    11. Lab Tests Online (understand medical lab tests)
    12. Medline Plus (health information in 40 languages)
    13. Health Library, Univ of Maryland
    14. Pathology Laboratory (University of Utah)
    15. Number Needed to Treat for Benefit or Harm
    16. New Health Advisor
    17. Medscape Health Resource Center
    18. American Council on Science and Health
    19. National Center for Complementary and Alternative Medicine
    20. Pathology Laboratory for Medical Education
    21. Drugs, Vitamins, Herbs: The Scientific Evidence (Medline)
    22. eMedExpert (Information on Prescription Drugs)
    23. Physicians Desk Reference (PDR) for Rx and OTC Drugs
    24. Drug Safety Data Sheets
    25. Drugwatch (news on drug development and safety)
    26. Centers for Disease Control and Prevention (U.S. Government)
    27. National Cancer Institute
    28. WebMD (investigate symptoms, treatments, find a doctor)
    29. Medical History of U.S. Presidents
    30. Health and Medicine Streaming Videos
    31. Vendors of Biology Supplies and Anatomic Models

    33. Medical Study Design
    34. Study Design 101

    35. The Mysterious Placebo
    36. Spontaneous Remission and the Placebo Effect
    37. Richard Feynman on Cargo Cult Science. (PDF)
    38. Distinguishing Science from Pseudoscience
    39. Why Bogus Therapies Often Seem to Work
    40. Science-Based Medicine and Neurologica
    41. Skeptical Medicine
    42. Quackwatch (guide to health fraud)
    43. Fair Tests of Medical Therapies
    44. Discovery, Chance and Scientific Methods.
    45. Bad Science
    46. Experiment Design
    47. How to Understand Scientific Studies
    48. On Being Sane in Insane Places
    49. Korzybski's General Semantics (Steven Lewis)
    50. Seven Warning Signs of Bogus Science
    51. The Science of Religion
    52. Galileo's recantation (1633)
    53. Test Your Scientific Literacy
    54. Science Heroes

    56. Coping with Math Anxiety
    57. Anxiety and Relaxation (90 minute Flash video)
    58. Significant Digits (includes quiz)
    59. Significant Figures in Measurements and Calculations.
    60. Scientific Notation & Significant Figures
    61. Significant figures, Scientific Notation, Solving Equations
    62. Variability in Measurements
    63. Metric-English conversions
    64. More Metric conversion problems and solutions
    65. Metric Conversion Tables UK
    66. The U.S. and the Metric System (PDF)
    67. How to Read a Triple-Beam Balance
    68. Reading a Triple Beam Balance and Quiz
    69. Common Lab Equipment
    70. Countdown Timer, Calendar Generator and Calculators

    72. Chemistry 101
    73. Chemistry Guide
    74. Chemistry A to Z (NIH)
    75. History of Chemistry
    76. Virtual Chemistry (Elmhurst)
    77. Chemistry Tutorial (Australia)
    78. Video Lectures on General Chemistry (MIT)
    79. Molecular Structures (Purdue)
    80. Atoms and Molecules
    81. Chemical Elements Periodic Table
    82. Webelements Periodic Table
    83. Clickable Periodic Table of the Elements
    84. Elements of the Human Body
    85. Elements of Life
    86. The discovery of electrons
    87. Evolution of the atomic theory.
    88. Radioactivity
    89. Marie Curie, French physicist and Nobel laureate.
    90. Radiocarbon dating and the Shroud of Turin.
    91. Periodic Table of the Isotopes
    92. Chemical nomenclature and Quiz (Word Document)
    93. Stoichiometry: calculations involving balanced chemical equations.
    94. Temperature and Thermometers
    95. The Second Law of Thermodynamics
    96. Metabolism

    98. Proteins, Carbohydrates, Lipids, Nucleic Acids, Vitamins, Water
    99. Organic Chemistry
    100. Medical Biochemistry (many articles)
    101. Ban DHMO!
    102. Water Science
    103. Water
    104. Sticky Water.
    105. A Biography of Water
    106. Peptides and Proteins
    107. Proteins and Enzymes
    108. Ask a dietician about protein
    109. Enzymes (Wikipedia)
    110. Enzymes
    111. Enzyme tutorial with animations
    112. Enzyme Inhibition 2-minute Flash animation
    113. Enzymes, Metabolic Pathways, Feedback Inhibition and animation
    114. Medical Biochemistry Page
    115. Human Metabolism (Vanderhooi)
    116. NAS 2005 Report on Dietary Reference Intakes
    117. Galactosemia
    118. DNA and RNA
    119. Discovery of DNA
    120. Deciphering the Genetic Code
    121. Origin of the chemicals of life


    122. The Parts of a Microscope
    123. Light Microscope Tutorial (animation with audio from NASA)
    124. Structure and Function of the Optical Microscope Wikipedia
    125. Principles of Light Microscopy (6-minute WMV by Steven Lewis)
    126. Nikon Alphaphot-2 Microscope (15-minute video)
    127. How to Use a Compound Light Microscope (6-minute Flash video)
    128. The Virtual Compound Light Microscope (practice your skills)
    129. Robert Hooke and Anton Leeuwenhoek
    130. History of the light microscope
    131. Microscopes and relative size in biology.
    132. Cell Biology and Microscopy

    133. CELLS

    134. Inside the Cell (NIH)
    135. The cell theory.
    136. Cell anatomy.
    137. Tour of the Animal Cell Model (10-minute WMV by Steven Lewis)
    138. Basic Cell Structures
    139. McGraw-Hill Cell Animations (Shockwave)
    140. Cell Biology Animations
    141. Cell Types
    142. Cell Organelles (Wikipedia)
    143. Membranes, Diffusion and Osmosis
    144. Cell Cycle and Cell Division (6-minute Flash video)
    145. Mitosis images.
    146. Stages of the Cell Cycle.
    147. Cell Cycle and Mitosis Tutorial

    148. Cells Alive
    149. ATP
    150. Molecular Genetics (Palomar)
    151. Watson and Crick's 1953 paper on DNA.
    152. The New Genetics (NIH)
    153. Universality of the genetic code.
    154. Stem Cells
    155. Cellular basis of cancer.
    156. Cancer.
    157. HISTOLOGY

    158. Atlas of Microscopic Anatomy
    159. Virtual Microscopy(many images)
    160. Histology Tutorial (28-minute Windows Video)
    161. HistoWeb (JayDoc)

    162. Histology World
    163. Histology Zoomer
    164. Histology Images
    165. Histology Slides (Illinois U.)
    166. Histology at Yale
    167. Histology of the Skin (10-minute Flash video)
    168. Body Mass Index (BMI) and Body Fat Measurement
    169. Underwater Weighing Video and Sample Calculation of Body Fat Composition

    171. Imaging the Body
    172. Textbook of Regional Anatomy (Dartmouth)
    173. OpenStax Anatomy-Physiology Textbook
    174. Anatomy-Physiology Animations
    175. Wiley Anatomy Drill and Practice
    176. Regional Human Anatomy Textbook (Dartmouth)
    177. Human Anatomy for the Artist
    178. Get Body Smart (anatomy tutorials and quizzes)
    179. Innerbody Interactive Human Anatomy (interactive quizzes by system)
    180. Webanatomy (many quizzes)
    181. A&P Practical Exams
    182. Anatomy-Physiology tutorials (Chute)
    183. Anatomy Box
    184. The Virtual Human Body (animated tour in Spanish and English)
    185. A&P Study Guides
    186. Human Anatomy (cadaver dissections and quizzes)
    187. Maricopa's Anatomy-Physiology Tutorial (many quizzes)
    188. Illustrated Encyclopedia of Anatomic Variations (real vs. textbook people)
    189. Human Body Images, Radiographs (Stanford)
    190. Anatomy Atlases, Textbooks and Digital Libraries
    191. Atlas of Gross Anatomy (anatomy images)
    192. Anatomy Tables by System and Region
    193. Gray's Anatomy (1918 edition full text, illustrated, searchable)
    194. Instant Anatomy (mostly colorful, labeled drawings with learning tips)
    195. Biological Anthropology (human evolution and taxonomy)
    196. Human Cadaver Dissection Videos
    197. ORlive Surgical Videos
    198. Pearson Anatomy Tutorial (many quizzes)
    199. Anatomy & Physiology Tutorial Links
    200. Speech Anatomy & Physiology
    201. Wisonsin's Anatomy-Physiology (text with labeled drawings)
    202. Anatomy Lab Simulator (labeled photos & drawings of organs)
    203. Useless Body Parts (no need for donors)
    204. WebMD Calculators, Health Quizzes, Anatomy Tools
    205. WebMD Symptom Checker (be your own doctor, then sue yourself)
    206. BBC's Interactive Body (anatomy games)
    207. Maricopa's Biology Text
    208. Kimball's Online Biology Text
    209. Normal Lab Values
    210. How Stuff Works Anatomy Channel (animations and videos)
    211. Five Largest Organs in in the Human Body
    212. Biology of Aging (forever young?)
    213. Photobiology

    215. Anatomy Model Quizzes
    216. Keys to Anatomic Models (Austin CC)
    217. Photos of Anatomic Models (Merced College)
    218. Anatomic Model Photos (no labels)
    219. Anatomy Tutorials from Maricopa (model photos with keys)
    220. Bioweb Anatomy Quiz (Wisconsin)
    221. Anatomy Models w Labels (San Diego Mesa College)
    222. Anatomy Models w Labels (Santa Rosa)
    223. Visual Atlas Body Systems (BBC)
    224. Photo Gallery of Anatomic Models (cursor over numbers for labels)
    225. Palomar Anatomic Model Index and Quiz
    226. Models Images and Keys (Palomar)
    227. Model Images (Baker)
    228. Middle Tennessee State University
    229. Anatomic Model Keys (no photos) (Tidewater)
    230. Cerritos Anatomy Model Quiz (click on green dots for labels
    231. Voyager Models and Slides
    232. Bluegrass Anatomy Model Quiz
    233. Anatomy Model Quiz (click links below images for labels)
    234. Niagara Virtual Anatomy Lab (labeled models)
    235. Pasadena CC's Virtual Anatomy Lab (click above photo for key)
    236. Anatomic Images Extremities w labels
    237. Anatomy Drill and Practice (Wiley)
    238. Anatomic Model Keys (NAPA Valley)

    240. Physiology Web
    241. A Framework for Human Physiology
    242. Homeostasis of Body Sugar (6-minute Flash video)
    243. Homeostasis
    244. Physiology Models
    245. Physiological Homeostasis
    246. Acid-Base Physiology
    247. Examples of Homeostasis
    248. Virtual Physiology Experiments

    250. A Brief History of the English Language by Steven Lewis
    251. Anatomic Terminology
    252. Dictionary Search
    253. Basic Vocabulary of Gross Anatomy
    254. Anatomic Pronunciation Guide
    255. Etymology (origin) of Medical Terms
    256. Medical Eponyms
    257. Cornell Notetaking Method (YouTube video)
    258. Medical Flashcards, Word Searches and Games
    259. Classification of Living Things
    260. Taxonomy (Wikipedia)
    261. Review of Anatomic Regional Terminology (PDF)
    262. Levels of Biological Organization

    264. Nervous System Models (labeled and unlabeled)
    265. Nervous System Models (labeled)
    266. Cerritos CNS Model Quiz
    267. Adventures in Neuroanatomy
    268. Textbook of Neuroscience (Dartmouth)
    269. Neurotransmitter Net
    270. Reaction Speed Timer and Reaction Time Test


    271. Anatomy-Physiology of the Eye
    272. Webvision
    273. The Human Eye
    274. Somso Eye Video Tour (WMV, 14 minutes)
    275. Lutein and Zeaxanthin protect eyesight
    276. Vision Loss Simulations
    277. Zeiss Online Vision Screening
    278. Snellen Eye Chart and 20/20 Vision
    279. The Joy of Visual Perception
    280. Colorblind
    281. Color Vision and Tests for Color Blindness
    282. Color Afterimage Test (squares) and Dots and Flag


    284. The Human Ear
    285. Virtual Tour of the Ear
    286. Anatomy of the Ear
    287. High-Frequency Hearing Test
    288. Audiology Resources and Hearing Test (YouTube)
    289. Hearing and Balance (textbook)
    290. Dizziness, Imbalance and Hearing Disorders
    291. Vestibular Function
    292. Eustachian Tube Dysfunction
    293. BRAIN

    294. The Brain from Top to Bottom
    295. My Three Brains
    296. The Whole Brain Atlas
    297. Regions of the Brain
    298. The Brain from Top to Bottom
    299. Split-Brain Simulation
    300. Sheep brain dissection guide
    301. My brain's bigger than yours!
    302. Cranial Nerves with Puzzle
    303. Interactive Brain Atlas
    304. Cranial Nerves at Yale
    305. More Cranial Nerves
    306. Cranial Nerve Quiz
    307. Brain Chemistry of Depression
    308. Antidepressant Medications
    309. Circadian (daily) Rhythms and Suprachiasmatic Nuclei
    310. Prefrontal Lobotomies
    311. Brain Games (exercises to stimulate your brain)
    312. Reaction time test

    314. Peripheral Nerves
    315. Head and Neck Anatomy Quiz
    316. Spinal Cord Injuries
    317. Neuroanatomy of Speech, Swallowing and Language
    318. Neurobiology
    319. Taste
    320. Adrenalin Receptors
    321. Psychopharmacology
    322. General Psychology
    323. Conditioned Reflexes by Ivan Pavlov (1927)
    324. Sleepless at Stanford
    325. Sleep and Learning (no snoozing in class!)

      ENDOCRINE SYSTEM (See General Resources for more links.)

    326. The Endocrine System
    327. Textbook of Endocrinology
    328. Pathophysiology of the Endocrine System
    329. An Endocrine Webtext
    330. The Hormone Foundation
    331. Hormones and their Receptors
    332. Endocrine System Overview
    333. Vitamin D Hormone in Health and Disease (YouTube)
    334. Human Growth Hormone
    335. Melatonin: a sleep hormone that protects the brain
    336. Ketosis versus Ketoacidosis

    337. SKELETAL SYSTEM (See General Resources for more links.)

    338. Glossary of the Skeletal Terms
    339. The 206 named bones of the Standard Reference Adult
    340. Bone Basics (Smithsonian)
    341. Bones of the Human Body (Wikipedia)
    342. Skeleton Quiz with photos
    343. All About Bones (labeled photos)
    344. Lumen Bone Box
    345. Webanatomy Skeleton Quiz
    346. Bones of the skull, vertebrae and extremities.
    347. Skull Slideshow and Quiz
    348. The Skull
    349. Maricopa Skull Quiz and Foramina
    350. Anatomy and Pathology of the Skull Base (flash animation)
    351. Bones around Somso Eye
    352. Comparative Skeletons Project
    353. Lessons from a Bone Box
    354. Bones and Joints
    355. Bone Tables
    356. Virtual Skeleton
    357. Joints (University of Arkansas)
    358. Joints in Motion
    359. The Cervical Spine
    360. Radiology
    361. Vitamin D in Health and Disease
    362. Vitamin D, Cod Liver Oil, Sunshine and Rickets
    363. Chiropractic (PDF)

    365. Textbook of Dermatology
    366. Integumentary System images
    367. Dermatology A-Z
    368. The Skin Site
    369. Skin Care Advice
    370. MUSCULAR SYSTEM (See General Resources for more links.)

    371. Get Body Smart Muscles (includes animations and quizzes)
    372. Real Bodywork (labeled images)
    373. Muscle Models with Labels
    374. Muscle Models Part 1 and Part 2
    375. Muscular System (text only)
    376. Illustrated Muscles of the Human Body (alphabetical list with images)
    377. Musculo-Skeletal Anatomy (muscle tables with images)
    378. Muscle Tutorial (click on photo to view muscle name)
    379. Loyola University Illustrated Muscle List
    380. Innerbody Muscle Quiz (cursor over muscle to view label)
    381. Illustrated Muscle Tables
    382. Muscles Tables (no images)
    383. Muscles and Joints
    384. Muscles in Action (Quicktime movies)
    385. Sliding Filament Model of Muscle Contraction
    386. Muscle Physiology and Stretching
    387. Muscle Physiology and Structure
    388. Muscle Physiology (PDF)
    389. Motor Pathways (PDF)
    390. Muscles and Exercise
    391. CARDIOVASCULAR (See General Resources for more links.)

    392. WebAnatomy Cardiovascular (many quizzes)
    393. Atlas of Cardiac Anatomy
    394. Heart Anatomy and Sheep Heart
    395. Heart Quizzes (Maricopa)
    396. The Heart Site
    397. Blood Histology Images
    398. Blood Cells
    399. Blood - An Overview
    400. Hemostasis Encyclopedia
    401. Circulatory Model
    402. Cardiovascular Physiology
    403. Cardiovascular Disorders
    404. Cardiovascular Pharmacology
    405. Texas Heart Institute Cardiovascular Tutorial
    406. Cardiac Cycle animation
    407. Heart Sounds and Cardiac Arrhythmias
    408. Table of Resting Heart Rates
    409. Circulatory Systems
    410. Wireman Circulatory Model
    411. Arteries and Veins (Arkansas U.)
    412. Vascular Web
    413. Arteries and Veins
    414. Fetal Circulation
    415. Blood Pressure Measurement (Youtube)
    416. Cardiovascular Physiology
    417. CardioBriefs Blog

    419. The Immune System
    420. Dr. Kaiser's Online Microbiology Text
    421. Medical Microbiology Text
    422. Vaccines and Immunizations (CDC)
    423. History of Vaccines
    424. Microbiology Information Portal
    425. Microbiology Lab Explorer
    426. Microbiology Diagnostic Procedures
    427. Medical Entomology
    428. Bad Bugs -- Foodborne Pathogens (free PDF text)
    429. Probiotics
    430. Flu Facts
    431. Defence Mechanisms and Leukocyte Function
    432. Infection and Immunity
    433. The Benefits of Hand Washing
    434. History of Vaccines
    435. The Immune Stimulatory Effects of Vitamin D
    436. United Nations Program on HIV / AIDS
    437. Body Farm - Human Decomposition (5-minute Flash video)
    438. RESPIRATORY (See General Resources for more links.)

    439. Lung Anatomy (Medscape)
    440. Cerritos Respiratory Model Quiz
    441. Johns Hopkins' Interactive Respiratory Physiology
    442. Ventilation-Perfusion Ratio (KU Med)
    443. Lung Function Fundamentals
    444. Vital Capacity Calculator
    445. Respiratory System
    446. Air Density and Pressure
    447. The Larynx
    448. Lung Diseases
    449. The health risks of cigarette smoking.

    451. Dietary Reference Intakes (USDA)
    452. Search the USDA Food Nutrient Database
    453. USDA Best Food Sources for Specific Nutrients
    454. FDA How to Read a Food Label
    455. Value of Daily Values on Food Labels
    456. Your Digestive System (Adobe PDF)
    457. Dental Anatomy
    458. Oral Health Topics (ADA)
    459. Animated Teeth (Dental FYIs)
    460. Pathophysiology of the Digestive System
    461. The Vermiform Appendix
    462. Vestigiality of the Vermiform Appendix
    463. 26 Ways to Spot a Nutrition Quack
    464. Dietary Guidelines for Americans 2015-20 (PDF)
    465. Nutrition and Diet Calculators
    466. Kitchen Calculator
    467. Measuring Body Fat Using Calipers
    468. Harvard School of Public Health Nutrition Source
    469. FDA Center for Food Safety and Applied Nutrition
    470. International Food Information Council
    471. Ask a Dietician
    472. Weight Loss Resources
    473. Science of Cooking
    474. Linus Pauling Institute Nutrition Information Center
    475. Iowa State University Food Safety
    476. The World's Healthiest Foods
    477. Vegetarian Resource Group
    478. URINARY (See General Resources for more links.)

    479. How Your Kidneys Work
    480. Kidney and Urology Diseases and Urinalysis
    481. Urinalysis (mouse over)
    482. Urinalysis
    483. Urinalysis (Cornell)
    484. Urinalysis (Lab Tests Online)
    485. Urinalysis (American Family Physician)
    486. National Kidney Foundation Health Guide

    488. Healthy Pregnancy
    489. Lectures on Human Reproduction
    490. Hormones of the Reproductive System
    491. Reproductive Systems (3-minute Flash video)
    492. Museum of Menstruation and Women's Health
    493. Men's Health Topics
    494. History of Circumcision
    495. Human Development
    496. Multidimensional Human Embryo
    497. Embryology
    498. Video of Human Prenatal Development (PBS)
    499. Biology of Sex and Gender
    500. Methods of Birth Control
    501. Birth Control Pill (PBS)
    502. Thirty four Symptoms of Menopause
    503. Gender Reassignment Surgery
    504. AIDS resources
    505. Sexual Health Resources
    506. The Prostate Gland

    508. Human Cadaver Dissection Videos
    509. The Virtual Human Project
    510. The Virtual Human Autopsy
    511. The Virtual Pig Dissection
    512. Cat Anatomy Tutorial
    513. Frog Dissection

    This page was developed and is maintained by Steven Lewis.