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 part of a neuron receives incoming signals from other cells?

Myelin sheath

Axon

Dendrites

Cell body

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Verified step by step guidance

Understand the structure of a neuron: Neurons are specialized cells that transmit nerve impulses. They consist of several parts, including dendrites, a cell body, an axon, and sometimes a myelin sheath.

Identify the function of each part: Dendrites are tree-like extensions at the beginning of a neuron that help increase the surface area for receiving signals from other neurons. The cell body contains the nucleus and is responsible for maintaining the cell's health. The axon is a long, slender projection that conducts electrical impulses away from the cell body. The myelin sheath is a fatty layer that covers the axon, helping to speed up the transmission of nerve impulses.

Focus on the role of dendrites: Dendrites are specifically designed to receive chemical signals from the axon terminals of other neurons. These signals are then converted into electrical impulses that travel to the cell body.

Compare with other neuron parts: While the axon transmits signals away from the neuron, and the myelin sheath aids in signal transmission speed, neither is involved in receiving incoming signals. The cell body processes the signals received by the dendrites but does not primarily receive them.

Conclude that dendrites are the part of the neuron responsible for receiving incoming signals from other cells, making them crucial for neuron-to-neuron communication.