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

Introduction to Nervous Tissue

Anatomy & Physiology

4. Tissues & Histology

Introduction to Nervous Tissue

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Multiple Choice

What is the primary difference between afferent and efferent neurons, and what role do interneurons play in the nervous system?

Afferent neurons carry signals away from the central nervous system, efferent neurons carry signals to it, and interneurons transmit signals to muscles.

Afferent neurons carry signals to muscles, efferent neurons carry signals to the central nervous system, and interneurons connect sensory and motor neurons.

Afferent neurons connect neurons within the central nervous system, efferent neurons carry signals to the central nervous system, and interneurons carry signals away from it.

Afferent neurons carry signals to the central nervous system, efferent neurons carry signals away from it, and interneurons connect neurons within the central nervous system.

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Verified step by step guidance

Understand the basic function of neurons in the nervous system: Neurons are specialized cells that transmit information throughout the body. They are categorized into three main types: afferent neurons, efferent neurons, and interneurons.

Define afferent neurons: Afferent neurons, also known as sensory neurons, carry sensory information from the peripheral body parts to the central nervous system (CNS). They are responsible for transmitting signals such as touch, pain, temperature, and other sensory inputs to the brain and spinal cord.

Define efferent neurons: Efferent neurons, also known as motor neurons, carry signals away from the central nervous system to the peripheral body parts. These signals typically result in muscle contraction or gland secretion, thus enabling movement and other responses.

Define interneurons: Interneurons are found within the central nervous system and serve as connectors or relays between afferent and efferent neurons. They play a crucial role in processing information and determining the appropriate response by integrating sensory input with motor output.

Summarize the roles: Afferent neurons bring information to the CNS, efferent neurons carry commands from the CNS to the body, and interneurons facilitate communication within the CNS, ensuring that sensory inputs are effectively translated into motor outputs.