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

Introduction to the Digestive System

Anatomy & Physiology

23. The Digestive System

Introduction to the Digestive System

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Multiple Choice

Which of the following is NOT a component of the human digestive system?

Esophagus

Kidney

Liver

Stomach

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Verified step by step guidance

Step 1: Understand the human digestive system and its primary components. The digestive system is responsible for breaking down food, absorbing nutrients, and eliminating waste. Key organs include the esophagus, stomach, liver, intestines, and accessory organs like the pancreas.

Step 2: Review the function of each option provided in the question. The esophagus transports food from the mouth to the stomach. The stomach breaks down food using acids and enzymes. The liver produces bile to aid in fat digestion.

Step 3: Identify the kidney's role in the human body. The kidney is part of the urinary system, not the digestive system. Its primary function is to filter blood, remove waste, and regulate fluid and electrolyte balance.

Step 4: Compare the kidney's function to the functions of the other organs listed. Since the kidney is not involved in digestion, it is not a component of the digestive system.

Step 5: Conclude that the kidney is the correct answer to the question, as it is not part of the human digestive system.