Table of contents

Skip topic navigation

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 Heart2h 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

16. The Endocrine System

The Hypothalamus and Pituitary Gland

Anatomy & Physiology

16. The Endocrine System

The Hypothalamus and Pituitary Gland

Previous problemNext problem

Struggling with Anatomy & Physiology?

Join thousands of students who trust us to help them ace their exams!Watch the first video

Multiple Choice

As blood levels of __________ rise, the expulsive contractions of labor gain momentum and finally end in birth.

follicle-stimulating hormone

gonadotropins

oxytocin

prolactin

Previous problemNext problem

Verified step by step guidance

Understand the role of oxytocin in the process of labor and childbirth. Oxytocin is a hormone that plays a crucial role in the initiation and progression of labor.

Recognize that oxytocin is responsible for stimulating uterine contractions. As the levels of oxytocin increase, the contractions become stronger and more frequent.

Identify the feedback mechanism involved. Oxytocin release is part of a positive feedback loop where uterine contractions stimulate further release of oxytocin, enhancing the contractions.

Consider the physiological process of labor. The increasing intensity and frequency of contractions help in the dilation of the cervix and the eventual expulsion of the baby.

Conclude that the rise in oxytocin levels is directly linked to the momentum of labor contractions, culminating in childbirth.