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

16. The Endocrine System

Introduction to the Endocrine System

Anatomy & Physiology

16. The Endocrine System

Introduction to the Endocrine System

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Multiple Choice

Which of the following endocrine glands is primarily responsible for regulating metabolism through the secretion of thyroid hormones?

Thyroid gland

Pineal gland

Pancreas

Adrenal gland

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Verified step by step guidance

Step 1: Begin by understanding the function of metabolism regulation in the body. Metabolism refers to the chemical processes that occur within a living organism to maintain life, including energy production and utilization.

Step 2: Review the role of thyroid hormones, specifically thyroxine (T4) and triiodothyronine (T3). These hormones are critical for regulating the body's metabolic rate, heart function, digestive function, and overall energy balance.

Step 3: Identify the endocrine gland responsible for producing thyroid hormones. The thyroid gland, located in the neck, is the primary gland that secretes T3 and T4, which directly influence metabolism.

Step 4: Compare the functions of the other glands listed in the options: The pineal gland regulates sleep-wake cycles through melatonin, the pancreas regulates blood sugar levels through insulin and glucagon, and the adrenal gland produces hormones like cortisol and adrenaline for stress response and other functions.

Step 5: Conclude that the thyroid gland is the correct answer because it is specifically responsible for regulating metabolism through the secretion of thyroid hormones.