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

The ___________ of the heart is the inferior portion of the ventricles.

atrium

apex

septum

base

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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 ventricles are responsible for pumping blood out of the heart.

Step 2: Familiarize yourself with the directional terms used in anatomy. 'Inferior' refers to a position lower or closer to the feet, while 'superior' refers to a position higher or closer to the head.

Step 3: Learn the specific parts of the heart. The apex of the heart is the pointed, inferior tip formed primarily by the left ventricle. It is located at the bottom of the heart and points slightly to the left.

Step 4: Compare the options provided in the question. The atrium refers to the upper chambers, the septum is the wall dividing the left and right sides of the heart, and the base is the superior portion of the heart where major blood vessels are attached. None of these are the inferior portion of the ventricles.

Step 5: Conclude that the correct term for the inferior portion of the ventricles is the 'apex,' as it matches the anatomical description provided.