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

27. The Reproductive System

Introduction to the Reproductive System

Anatomy & Physiology

27. The Reproductive System

Introduction to the Reproductive System

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Multiple Choice

The smooth muscle of the ______ contracts during labor and birth.

uterus

vagina

ovary

fallopian tube

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Verified step by step guidance

Step 1: Begin by identifying the primary function of each organ listed in the options (uterus, vagina, ovary, fallopian tube) and their roles in the female reproductive system.

Step 2: Recall the process of labor and birth, which involves the expulsion of the fetus from the mother's body. Consider which organ is responsible for housing the fetus during pregnancy and contracting to facilitate delivery.

Step 3: Understand the role of smooth muscle in the reproductive system. Smooth muscle is involuntary and contracts to perform specific functions, such as moving substances or aiding in childbirth.

Step 4: Focus on the uterus, which is the organ that contains smooth muscle layers (myometrium) designed to contract during labor to push the baby through the birth canal.

Step 5: Eliminate the other options (vagina, ovary, fallopian tube) by analyzing their functions. The vagina serves as the birth canal but does not contract to expel the fetus, the ovary produces eggs, and the fallopian tube transports eggs but is not involved in labor contractions.