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

The cranial and spinal cavities are subdivisions of the ________ cavity.

abdominopelvic

dorsal

thoracic

ventral

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Verified step by step guidance

Step 1: Begin by understanding the concept of body cavities. Body cavities are spaces within the body that house and protect internal organs. They are divided into major categories: dorsal and ventral cavities.

Step 2: Learn about the dorsal cavity. The dorsal cavity is located along the posterior (back) side of the body and is subdivided into two smaller cavities: the cranial cavity (which houses the brain) and the spinal cavity (which houses the spinal cord).

Step 3: Compare the dorsal cavity with the ventral cavity. The ventral cavity is located on the anterior (front) side of the body and includes the thoracic cavity (housing the heart and lungs) and the abdominopelvic cavity (housing digestive organs, reproductive organs, etc.).

Step 4: Analyze the question. It asks for the cavity that includes the cranial and spinal cavities. Based on the definitions, these are subdivisions of the dorsal cavity.

Step 5: Confirm your understanding by reviewing the options provided. The correct answer is 'dorsal,' as it encompasses both the cranial and spinal cavities.