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

Nervous Tissue: The Neuron

Anatomy & Physiology

4. Tissues & Histology

Nervous Tissue: The Neuron

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Multiple Choice

Which of the following is not part of a neuron?

Dendrite

Axon

Myelin sheath

Sarcomere

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Understand the structure of a neuron: Neurons are the basic building blocks of the nervous system and consist of three main parts: dendrites, an axon, and a cell body.

Identify the function of each part: Dendrites receive signals from other neurons, the axon transmits signals away from the cell body, and the myelin sheath is a protective covering that insulates the axon to increase the speed of signal transmission.

Recognize that the myelin sheath is not a separate part of the neuron but rather a covering that surrounds the axon.

Understand the term 'sarcomere': A sarcomere is the basic unit of striated muscle tissue, not a component of a neuron. It is involved in muscle contraction and is part of the muscular system, not the nervous system.

Conclude that the sarcomere is not part of a neuron, as it is related to muscle structure and function, distinguishing it from the components of a neuron.