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1. Introduction to Anatomy & Physiology5h 43m
2. Cell Chemistry & Cell Components12h 36m
3. Energy & Cell Processes10h 6m
4. Tissues & Histology10h 3m
5. Integumentary System2h 20m
6. Bones & Skeletal Tissue2h 16m
7. The Skeletal System2h 35m
8. Joints2h 17m
9. Muscle Tissue2h 33m
10. Muscles1h 11m
11. Nervous Tissue and Nervous System1h 35m
12. The Central Nervous System1h 6m
- Introduction to the Central Nervous System
  18m
- The Cerebrum
  48m
13. The Peripheral Nervous System1h 26m
14. The Autonomic Nervous System1h 38m
15. The Special Senses2h 41m
16. The Endocrine System2h 48m
17. The Blood3h 22m
18. The Heart3h 42m
19. The Blood Vessels3h 35m
20. The Lymphatic System3h 16m
21. The Immune System14h 37m
22. The Respiratory System3h 20m
23. The Digestive System2h 5m
24. Metabolism and Nutrition4h 0m
25. The Urinary System2h 39m
26. Fluid and Electrolyte Balance, Acid Base Balance37m
27. The Reproductive System2h 5m
28. Human Development1h 21m
29. Heredity3h 32m

15. The Special Senses

Rods, Cones, and Light

Anatomy & Physiology

15. The Special Senses

Rods, Cones, and Light

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Multiple Choice

Which of the following shows the correct order of light transmission from the air to the retina?

air, cornea, lens, aqueous humor, vitreous humor, retina

air, lens, cornea, vitreous humor, aqueous humor, retina

air, aqueous humor, lens, cornea, vitreous humor, retina

air, cornea, aqueous humor, lens, vitreous humor, retina

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Verified step by step guidance

Begin by understanding the anatomy of the eye and the path light takes as it enters and travels through the eye to reach the retina.

Light first enters the eye through the air and then encounters the cornea, which is the transparent front part of the eye that helps focus incoming light.

After passing through the cornea, light moves into the aqueous humor, a clear fluid located in the anterior chamber between the cornea and the lens.

Next, light travels through the lens, which further focuses the light onto the retina. The lens is flexible and can change shape to adjust focus.

Finally, light passes through the vitreous humor, a gel-like substance filling the space between the lens and the retina, before reaching the retina where the image is processed.