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 Anatomical Terms for Body Regions

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Anatomical Terms for Body Regions

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Multiple Choice

Which vertebra lacks both a body and a spinous process?

C7 (Vertebra prominens)

Axis (C2)

T1 (First thoracic vertebra)

Atlas (C1)

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Verified step by step guidance

Step 1: Understand the anatomy of the vertebrae. Vertebrae are the bones that make up the spinal column, and they typically consist of a body, a spinous process, and other structures such as transverse processes and vertebral foramen.

Step 2: Learn the unique features of the cervical vertebrae. The cervical vertebrae (C1-C7) are located in the neck region and have distinct characteristics compared to thoracic and lumbar vertebrae.

Step 3: Focus on the Atlas (C1). The Atlas is the first cervical vertebra and is unique because it lacks both a body and a spinous process. Instead, it has anterior and posterior arches that form a ring-like structure to support the skull.

Step 4: Compare the Atlas (C1) to other vertebrae. For example, the Axis (C2) has a body and a prominent odontoid process (dens), while C7 (Vertebra prominens) has a spinous process that is easily palpable. T1 (First thoracic vertebra) has a body and spinous process typical of thoracic vertebrae.

Step 5: Conclude that the Atlas (C1) is the correct answer because it is the only vertebra that lacks both a body and a spinous process, making it structurally unique in the vertebral column.