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

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

Which other organ can affect small-intestine motility?

Kidney

Liver

Stomach

Lung

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Verified step by step guidance

Understand the concept of small-intestine motility: Small-intestine motility refers to the movement of the muscles in the small intestine that helps mix and propel food and digestive juices. This process is regulated by the enteric nervous system, hormones, and interactions with other organs.

Identify the role of the stomach in affecting small-intestine motility: The stomach plays a significant role in regulating small-intestine motility through the release of chyme (partially digested food) into the small intestine. This process is controlled by the pyloric sphincter and influenced by gastric hormones such as gastrin.

Examine the mechanism of communication between the stomach and small intestine: The stomach communicates with the small intestine via neural and hormonal signals. For example, the presence of food in the stomach triggers the release of hormones that prepare the small intestine for digestion and absorption.

Compare the roles of other organs listed in the problem: The kidney, liver, and lung do not directly influence small-intestine motility. While the liver contributes bile for digestion, it does not regulate motility. The kidney and lung are involved in other physiological processes unrelated to digestion.

Conclude why the stomach is the correct answer: Based on its direct involvement in regulating the flow of chyme and signaling mechanisms, the stomach is the organ that most significantly affects small-intestine motility.