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 Organ Systems

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Introduction to Organ Systems

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Multiple Choice

Which of the following vertebrae is the largest and strongest in adult humans?

Cervical vertebra

Sacral vertebra

Lumbar vertebra

Thoracic vertebra

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Verified step by step guidance

Understand the structural differences between the types of vertebrae: Cervical, Thoracic, Lumbar, and Sacral. Each type has unique features based on its location and function in the vertebral column.

Recall that the lumbar vertebrae are located in the lower back and bear the most weight of the body. This makes them larger and stronger compared to other vertebrae.

Compare the size and function of the cervical vertebrae, which are smaller and designed for flexibility and supporting the head, versus the lumbar vertebrae, which are designed for weight-bearing and stability.

Consider the thoracic vertebrae, which are intermediate in size and primarily serve as attachment points for ribs, and the sacral vertebrae, which are fused into the sacrum to support the pelvis.

Conclude that the lumbar vertebrae are the largest and strongest due to their role in supporting the body's weight and providing stability during movement.