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

All muscle types will respond to an electrical stimulus because all muscle cells are:

Excitable

Contractile

Extensible

Elastic

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Verified step by step guidance

Understand the key properties of muscle tissue: Muscle cells possess four fundamental characteristics: excitability, contractility, extensibility, and elasticity. These properties allow muscles to perform their functions effectively.

Define 'excitability': Excitability refers to the ability of muscle cells to respond to stimuli, such as electrical signals. This property is crucial for initiating muscle contraction.

Define 'contractility': Contractility is the ability of muscle cells to shorten and generate force when stimulated. This property is essential for movement and maintaining posture.

Define 'extensibility': Extensibility refers to the ability of muscle cells to stretch without being damaged. This property allows muscles to accommodate changes in length during movement.

Define 'elasticity': Elasticity is the ability of muscle cells to return to their original shape after being stretched or contracted. This property helps maintain the structural integrity of muscles.