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

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

Which of the following best explains why the external eye muscles are considered to have the greatest dynamic strength among muscles in the human body?

They have the highest endurance and can sustain contractions for long periods without fatigue.

They are responsible for maintaining posture and balance during movement.

They are the largest muscles in the body, providing the most force.

They can contract rapidly and repeatedly with precise control, allowing for quick and accurate eye movements.

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Verified step by step guidance

Step 1: Understand the concept of dynamic strength in muscles. Dynamic strength refers to the ability of a muscle to perform rapid and repeated contractions with precision and control.

Step 2: Analyze the function of external eye muscles. These muscles are responsible for controlling eye movements, which require quick and accurate adjustments to focus on objects and track motion.

Step 3: Compare the characteristics of external eye muscles to other muscle groups. Unlike muscles responsible for posture or endurance, external eye muscles specialize in rapid, precise movements rather than sustained contractions.

Step 4: Recognize the physiological adaptations of external eye muscles. These muscles have a high density of motor units and are innervated to allow for fine control and rapid response, which is essential for their function.

Step 5: Conclude that the external eye muscles exhibit the greatest dynamic strength because they can contract rapidly and repeatedly with precise control, enabling quick and accurate eye movements.