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

23. The Digestive System

The Stomach

Anatomy & Physiology

23. The Digestive System

The Stomach

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Multiple Choice

Which of these is not a function of the stomach?

Secretion of gastric juices

Mechanical digestion of food

Production of intrinsic factor

Absorption of nutrients

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Verified step by step guidance

Understand the primary functions of the stomach. The stomach is a muscular organ involved in digestion, primarily through mechanical and chemical processes.

Recognize that the stomach secretes gastric juices, which include hydrochloric acid and digestive enzymes like pepsin, aiding in the breakdown of food.

Identify the role of intrinsic factor, which is produced by the stomach. Intrinsic factor is crucial for the absorption of vitamin B12 in the small intestine.

Consider the mechanical digestion that occurs in the stomach. The stomach's muscular contractions help to physically break down food into smaller pieces, mixing it with gastric juices to form chyme.

Clarify that absorption of nutrients is not a primary function of the stomach. Nutrient absorption mainly occurs in the small intestine, where the digested food is absorbed into the bloodstream.