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: Body Cavities

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Organization of the Body: Body Cavities

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Multiple Choice

Which body cavity does not have bony protection?

Thoracic cavity

Cranial cavity

Abdominal cavity

Pelvic cavity

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Verified step by step guidance

Understand the question: The problem is asking which body cavity lacks bony protection. To answer this, we need to analyze the structural features of each cavity listed.

Step 1: Review the thoracic cavity. The thoracic cavity is surrounded by the rib cage, sternum, and thoracic vertebrae, providing significant bony protection.

Step 2: Review the cranial cavity. The cranial cavity houses the brain and is completely enclosed by the skull, offering full bony protection.

Step 3: Review the abdominal cavity. The abdominal cavity contains organs like the stomach, intestines, and liver. Unlike the thoracic and cranial cavities, it is not surrounded by bones; instead, it is protected by muscles and connective tissues.

Step 4: Review the pelvic cavity. The pelvic cavity is partially protected by the pelvic bones, which form a bony ring around the lower part of the cavity. However, this protection is not as extensive as in the thoracic or cranial cavities.