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

Which of the following descriptions best matches the term submucosal plexus?

A network of neurons located in the submucosa of the gastrointestinal tract that regulates glandular secretions and local blood flow.

A group of nerve fibers found in the spinal cord responsible for voluntary muscle movement.

A collection of sensory neurons in the skin that detect touch and pressure.

A cluster of neurons in the brainstem that controls heart rate and respiration.

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Verified step by step guidance

Step 1: Begin by understanding the term 'submucosal plexus.' The submucosal plexus is part of the enteric nervous system, which is a network of neurons that governs the function of the gastrointestinal tract.

Step 2: Recognize the location of the submucosal plexus. It is specifically found in the submucosa layer of the gastrointestinal tract, which lies between the mucosa and the muscularis externa.

Step 3: Identify the primary function of the submucosal plexus. It regulates glandular secretions and local blood flow within the gastrointestinal tract, ensuring proper digestion and nutrient absorption.

Step 4: Compare the descriptions provided in the question. Eliminate options that do not match the location or function of the submucosal plexus. For example, nerve fibers in the spinal cord, sensory neurons in the skin, and clusters of neurons in the brainstem are unrelated to the gastrointestinal tract.

Step 5: Select the description that accurately matches the term 'submucosal plexus,' which is 'A network of neurons located in the submucosa of the gastrointestinal tract that regulates glandular secretions and local blood flow.'