Table of contents

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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 are not part of a neuron?

Axon

Myelin sheath

Dendrites

Sarcomere

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Begin by understanding the basic structure of a neuron. Neurons are specialized cells in the nervous system responsible for transmitting information throughout the body.

Identify the key components of a neuron: the cell body (soma), dendrites, and axon. These parts work together to receive and send signals.

Dendrites are extensions from the cell body that receive signals from other neurons. The axon is a long projection that transmits signals away from the cell body to other neurons or muscles.

The myelin sheath is a fatty layer that covers the axon, providing insulation and increasing the speed of signal transmission along the axon.

Recognize that a sarcomere is not part of a neuron. Sarcomeres are the structural units of muscle fibers, involved in muscle contraction, and are part of the muscular system, not the nervous system.