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

4. Tissues & Histology

Introduction to Muscle Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Muscle Tissue

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Multiple Choice

The capacity of a muscle cell to shorten forcefully is known as:

Excitability

Elasticity

Contractility

Extensibility

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Verified step by step guidance

Step 1: Begin by understanding the key terms related to muscle cell properties. These include excitability, elasticity, contractility, and extensibility. Each term describes a specific characteristic of muscle tissue.

Step 2: Define 'Excitability': This refers to the ability of a muscle cell to respond to a stimulus, such as a nerve signal, and generate an electrical impulse.

Step 3: Define 'Elasticity': This is the ability of a muscle cell to return to its original shape after being stretched or compressed.

Step 4: Define 'Contractility': This is the capacity of a muscle cell to shorten forcefully when stimulated, which is essential for muscle contraction and movement.

Step 5: Define 'Extensibility': This refers to the ability of a muscle cell to be stretched or extended without being damaged. Based on these definitions, the correct term for the capacity of a muscle cell to shorten forcefully is 'Contractility'.