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

Which of the following is required for bone formation?

Estrogen

Insulin

Calcium

Testosterone

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Verified step by step guidance

Step 1: Understand the process of bone formation, also known as ossification. Bone formation requires specific nutrients and hormones to ensure proper development and maintenance of bone tissue.

Step 2: Recognize the role of calcium in bone formation. Calcium is a critical mineral that provides strength and structure to bones. It is stored in the bone matrix and is essential for the mineralization process.

Step 3: Learn how calcium interacts with other components during bone formation. Calcium combines with phosphate to form hydroxyapatite crystals, which are deposited in the bone matrix to give bones their rigidity.

Step 4: Identify the hormones that regulate calcium levels in the body. Parathyroid hormone (PTH) and calcitonin play key roles in maintaining calcium homeostasis, ensuring that sufficient calcium is available for bone formation.

Step 5: Note that while hormones like estrogen, insulin, and testosterone influence bone health indirectly, calcium is the primary requirement for the physical process of bone formation.