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 anatomical term refers to the flap-like structures located on the anterior surface of each atrium of the heart?

Auricles

Papillae

Ventricles

Valves

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Verified step by step guidance

Step 1: Begin by understanding the anatomy of the heart. The heart has four chambers: two atria (upper chambers) and two ventricles (lower chambers). The atria are located on the anterior (front) side of the heart.

Step 2: Learn about the structures associated with the atria. On the anterior surface of each atrium, there are small, flap-like extensions called auricles. These structures increase the capacity of the atria and help in holding more blood.

Step 3: Differentiate auricles from other anatomical terms provided in the options. Papillae are small, nipple-like projections found in other parts of the body, such as the tongue or skin, and are not related to the heart. Ventricles are the lower chambers of the heart, responsible for pumping blood out of the heart. Valves are structures that regulate blood flow between chambers or vessels, ensuring unidirectional flow.

Step 4: Match the description of the flap-like structures on the anterior surface of the atria with the correct term. Auricles are the only term that fits this description.

Step 5: Conclude that the correct anatomical term for the flap-like structures located on the anterior surface of each atrium is 'Auricles'.