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 of the following statements correctly describes peristalsis?

Peristalsis is the secretion of digestive enzymes by the pancreas.

Peristalsis is the rhythmic contraction of smooth muscles to propel contents through the digestive tract.

Peristalsis is the process of nutrient absorption in the small intestine.

Peristalsis is the voluntary contraction of skeletal muscles to aid in digestion.

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Verified step by step guidance

Begin by understanding the term 'peristalsis'. It refers to a specific physiological process in the digestive system.

Peristalsis involves the rhythmic contraction and relaxation of smooth muscles. These muscles are involuntary and are found in the walls of the digestive tract.

The primary function of peristalsis is to propel contents, such as food and waste, through the digestive tract. This movement is essential for the progression of digestion and absorption.

Differentiate peristalsis from other digestive processes, such as enzyme secretion, nutrient absorption, and voluntary muscle contractions. Peristalsis is distinct because it is an involuntary process involving smooth muscles.

Recognize that peristalsis does not involve the secretion of digestive enzymes, nutrient absorption, or voluntary skeletal muscle contractions. It is specifically the rhythmic contraction of smooth muscles to move contents through the digestive tract.