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. Bandolier's Guide to Evidence-Based Medicine
    9. World Health Organization (health education and statistics)
    10. Food and Drug Administration (FDA) (food and drug safety)
    11. Atlas of First Aid: A Case Study Approach
    12. Lab Tests Online (understand medical lab tests)
    13. Medline Plus (health information in 40 languages)
    14. Health Library, Univ of Maryland
    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. The Quackfiles (a guide to dubious health practices)
    44. Fair Tests of Medical Therapies
    45. Discovery, Chance and Scientific Methods.
    46. Bad Science
    47. Experiment Design
    48. How to Understand Scientific Studies
    49. On Being Sane in Insane Places
    50. Korzybski's General Semantics (Steven Lewis)
    51. Seven Warning Signs of Bogus Science
    52. The Science of Religion
    53. Galileo's recantation (1633)
    54. Test Your Scientific Literacy
    55. Science Heroes

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

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

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


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

    134. CELLS

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

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

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

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

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

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

    241. Physiology Web
    242. A Framework for Human Physiology
    243. Homeostasis of Body Sugar (6-minute Flash video)
    244. Homeostasis
    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. Cornell Notetaking Method (YouTube video)
    257. Medical Flashcards, Word Searches and Games
    258. Classification of Living Things
    259. Taxonomy (Wikipedia)
    260. Review of Anatomic Regional Terminology (PDF)
    261. Levels of Biological Organization

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


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


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

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

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

      ENDOCRINE SYSTEM (See General Resources for more links.)

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

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

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

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

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

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

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

    436. Cerritos Respiratory Model Quiz
    437. Johns Hopkins' Interactive Respiratory Physiology
    438. Lung Function Fundamentals
    439. Vital Capacity Calculator
    440. Respiratory System
    441. Air Density and Pressure
    442. The Larynx
    443. Lung Diseases
    444. The health risks of cigarette smoking.

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

    474. How Your Kidneys Work
    475. Kidney and Urology Diseases and Urinalysis
    476. Urinalysis
    477. Urinalysis (Cornell)
    478. Urinalysis (Lab Tests Online)
    479. Urinalysis (American Family Physician)
    480. National Kidney Foundation Health Guide

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

    502. Human Cadaver Dissection Videos
    503. The Virtual Human Project
    504. The Virtual Human Autopsy
    505. The Virtual Pig Dissection
    506. Cat Anatomy Tutorial
    507. Frog Dissection

    This page was developed and is maintained by Steven Lewis.