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

1. Introduction to Anatomy & Physiology

Organization of the Body: Thoracic Cavity

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Organization of the Body: Thoracic Cavity

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Multiple Choice

Which of the following structures is NOT located within the thoracic cavity?

Heart

Esophagus

Liver

Lungs

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Verified step by step guidance

Step 1: Begin by understanding the anatomical boundaries of the thoracic cavity. The thoracic cavity is the space enclosed by the rib cage, sternum, thoracic vertebrae, and diaphragm. It houses structures primarily involved in respiration and circulation.

Step 2: Identify the major organs located within the thoracic cavity. These include the heart, lungs, esophagus, trachea, thymus, and major blood vessels such as the aorta and vena cava.

Step 3: Recognize that the liver is part of the abdominal cavity, not the thoracic cavity. The liver is located below the diaphragm, primarily in the upper right quadrant of the abdomen.

Step 4: Compare the listed structures (heart, esophagus, liver, lungs) to their respective cavities. The heart, esophagus, and lungs are all located within the thoracic cavity, while the liver is located in the abdominal cavity.

Step 5: Conclude that the liver is the correct answer as it is NOT located within the thoracic cavity, based on its anatomical position below the diaphragm.