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

23. The Digestive System

The Stomach

Anatomy & Physiology

23. The Digestive System

The Stomach

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Multiple Choice

Which statement about the stomach is false?

The stomach has a muscular wall that helps in mechanical digestion.

The stomach is primarily responsible for the absorption of nutrients.

The stomach produces enzymes like pepsin to break down proteins.

The stomach secretes hydrochloric acid to aid in digestion.

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Verified step by step guidance

Begin by understanding the primary functions of the stomach in the digestive system. The stomach is mainly involved in mechanical digestion through its muscular walls and chemical digestion through the secretion of enzymes and acids.

Review the role of the stomach in nutrient absorption. The stomach is not primarily responsible for the absorption of nutrients; this function is mainly carried out by the small intestine.

Examine the statement regarding the muscular wall of the stomach. The muscular wall is indeed crucial for mechanical digestion, as it helps churn and mix food with digestive juices.

Consider the production of enzymes like pepsin. The stomach produces pepsin, which is an enzyme that breaks down proteins into smaller peptides.

Evaluate the secretion of hydrochloric acid. The stomach secretes hydrochloric acid, which creates an acidic environment necessary for enzyme activity and helps in the digestion process.