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

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

Anatomy & Physiology

9. Muscle Tissue

Introduction to Muscles and Muscle Tissue

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Multiple Choice

Which internal structures of animals are specifically adapted to use contraction to cause movement?

Bones

Cartilage

Muscles

Ligaments

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Verified step by step guidance

Begin by understanding the role of each structure listed in the problem. Bones provide structural support and protection but do not contract themselves to cause movement.

Consider cartilage, which is a flexible connective tissue found in various parts of the body. It provides cushioning and support but does not contract to cause movement.

Examine ligaments, which are tough bands of tissue that connect bones to other bones at joints. They provide stability but do not contract to cause movement.

Focus on muscles, which are the tissues specifically adapted to contract and cause movement. Muscles work by contracting and relaxing, pulling on bones to create movement.

Understand the mechanism of muscle contraction: Muscles contract through the sliding filament theory, where actin and myosin filaments slide past each other, shortening the muscle and generating force.