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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Multiple Choice

Which of the following is a part of the thoracic cage?

Sternum

Clavicle

Scapula

Femur

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Verified step by step guidance

Step 1: Begin by understanding the anatomy of the thoracic cage. The thoracic cage is a bony structure that protects vital organs such as the heart and lungs. It consists of the ribs, sternum, thoracic vertebrae, and costal cartilages.

Step 2: Review the function and location of each option provided in the question. The sternum is a flat bone located in the center of the chest and is a key component of the thoracic cage. The clavicle (collarbone) connects the scapula to the sternum but is not part of the thoracic cage. The scapula (shoulder blade) is part of the shoulder girdle, not the thoracic cage. The femur is the thigh bone and is part of the lower limb, far removed from the thoracic cage.

Step 3: Compare the anatomical relationships of the sternum with the other options. The sternum directly articulates with the ribs and costal cartilages, forming the anterior portion of the thoracic cage. The clavicle and scapula are part of the appendicular skeleton, while the femur is part of the lower limb skeleton.

Step 4: Eliminate the incorrect options based on their anatomical location and function. The clavicle, scapula, and femur do not contribute to the structure or function of the thoracic cage.

Step 5: Conclude that the sternum is the correct answer because it is a central component of the thoracic cage, providing protection to the thoracic organs and serving as an attachment point for ribs and muscles.