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

Introduction to Directional Terms

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Directional Terms

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Multiple Choice

The heart is enfolded within a space called the:

pleural cavity

pericardial cavity

abdominal cavity

cranial cavity

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Verified step by step guidance

Step 1: Begin by identifying the anatomical location of the heart within the body. The heart is located in the thoracic cavity, specifically in the mediastinum, which is the central compartment of the thoracic cavity.

Step 2: Understand the term 'cavity' in anatomy. A cavity refers to a space or hollow area within the body that houses organs. The heart is surrounded by a specific cavity that protects and supports it.

Step 3: Review the pleural cavity. This cavity surrounds the lungs and is lined by the pleura, a serous membrane. It does not house the heart.

Step 4: Examine the pericardial cavity. This is the space within the pericardium, a double-layered sac that encloses the heart. The pericardial cavity contains a small amount of serous fluid to reduce friction during heartbeats.

Step 5: Compare the other options (abdominal cavity and cranial cavity). The abdominal cavity houses organs like the stomach and intestines, while the cranial cavity houses the brain. Neither is related to the heart. Conclude that the correct answer is the pericardial cavity.