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

Characteristics of Epithelial Tissue

Anatomy & Physiology

4. Tissues & Histology

Characteristics of Epithelial Tissue

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Multiple Choice

Which of the following is not a characteristic of skeletal muscles?

Striated appearance

Multinucleated cells

Voluntary control

Involuntary contraction

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Verified step by step guidance

Understand the characteristics of skeletal muscles: Skeletal muscles are known for their striated appearance, which is due to the arrangement of actin and myosin filaments in a repeating pattern.

Recognize that skeletal muscles are multinucleated: Each skeletal muscle cell, also known as a muscle fiber, contains multiple nuclei. This is because they are formed by the fusion of multiple precursor cells called myoblasts.

Identify that skeletal muscles are under voluntary control: This means that their contractions are consciously controlled by the nervous system, allowing for precise movements.

Differentiate between voluntary and involuntary control: Voluntary muscles, like skeletal muscles, are controlled consciously, whereas involuntary muscles, such as cardiac and smooth muscles, operate without conscious control.

Conclude that involuntary contraction is not a characteristic of skeletal muscles: Since skeletal muscles are controlled voluntarily, the characteristic of involuntary contraction does not apply to them.