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

7. The Skeletal System

Introduction to the Skeleton

Anatomy & Physiology

7. The Skeletal System

Introduction to the Skeleton

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Problem 1

Textbook Question

Which of the following is not a function of the skeletal system?
a. Primary storage site in the body for sodium and potassium salts
b. Location of the red bone marrow, which produces red blood cells
c. Storage of triglycerides in yellow bone marrow
d. Support and protection of the body and vital organs

Verified step by step guidance

Step 1: Begin by reviewing the primary functions of the skeletal system. These include support and protection of the body and vital organs, facilitation of movement, storage of minerals (such as calcium and phosphorus), production of blood cells in red bone marrow, and storage of triglycerides in yellow bone marrow.

Step 2: Analyze each option provided in the question. For example, option b mentions the production of red blood cells in red bone marrow, which is a known function of the skeletal system.

Step 3: Evaluate option c, which refers to the storage of triglycerides in yellow bone marrow. This is also a recognized function of the skeletal system.

Step 4: Consider option d, which states support and protection of the body and vital organs. This is a fundamental function of the skeletal system.

Step 5: Examine option a, which mentions the storage of sodium and potassium salts. This is not a primary function of the skeletal system, as the skeletal system primarily stores calcium and phosphorus salts. Therefore, option a is the correct answer.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Functions of the Skeletal System

The skeletal system serves several critical functions, including providing structural support to the body, protecting vital organs, facilitating movement through attachment points for muscles, and serving as a reservoir for minerals such as calcium and phosphorus. Additionally, it plays a role in hematopoiesis, the production of blood cells, within the bone marrow.

Bone Marrow Types

Bone marrow is classified into two types: red bone marrow and yellow bone marrow. Red bone marrow is primarily responsible for the production of red blood cells, white blood cells, and platelets, while yellow bone marrow serves as a storage site for fats (triglycerides) and can convert to red marrow in response to increased demand for blood cell production.

Mineral Storage in Bones

Bones act as a major storage site for essential minerals, particularly calcium and phosphorus, which are vital for various bodily functions, including nerve transmission and muscle contraction. The skeletal system also stores sodium and potassium salts, although their primary storage occurs in other tissues, making this function less emphasized in the context of the skeletal system.

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