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

1. Introduction to Anatomy & Physiology

Anatomical Terms for the Head and Neck

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Anatomical Terms for the Head and Neck

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Multiple Choice

Which anatomical structure is referred to as the colored portion of the eye?

Cornea

Pupil

Sclera

Iris

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Verified step by step guidance

Step 1: Begin by understanding the anatomy of the eye. The eye is composed of several structures, including the cornea, pupil, sclera, and iris, each with distinct functions and appearances.

Step 2: Recall that the iris is the colored portion of the eye. It contains pigment that gives the eye its color (e.g., blue, green, brown) and is located between the cornea and the lens.

Step 3: Understand the function of the iris. It controls the size of the pupil by contracting or relaxing its muscles, thereby regulating the amount of light that enters the eye.

Step 4: Differentiate the iris from other structures mentioned in the problem. The cornea is the transparent outer layer of the eye, the pupil is the black circular opening in the center of the iris, and the sclera is the white outer layer of the eyeball.

Step 5: Confirm that the iris is indeed the colored portion of the eye based on its anatomical location and function, as described above.