Table of contents

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

Structure of the Eyeball

Anatomy & Physiology

15. The Special Senses

Structure of the Eyeball

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Multiple Choice

Which structure of the eye absorbs light to prevent it from scattering within the eye?

Cornea

Retina

Lens

Choroid

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Verified step by step guidance

Understand the function of each structure in the eye: The cornea is the transparent front part of the eye that refracts light. The retina is the light-sensitive layer at the back of the eye that converts light into neural signals. The lens focuses light onto the retina.

Identify the role of the choroid: The choroid is a layer of the eye containing blood vessels and connective tissue, located between the retina and the sclera.

Recognize the function of the choroid in light absorption: The choroid contains a high concentration of melanin, a pigment that absorbs excess light to prevent scattering within the eye.

Consider the importance of preventing light scattering: Scattering of light within the eye can lead to blurred vision and reduced image clarity.

Conclude that the choroid's ability to absorb light and prevent scattering is crucial for maintaining clear vision, making it the correct answer to the problem.