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 objects would best be used to understand how the human heart works?

A mechanical pump

A computer mouse

A bicycle wheel

A kitchen blender

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Verified step by step guidance

Step 1: Begin by understanding the function of the human heart. The heart is a muscular organ that pumps blood throughout the body, delivering oxygen and nutrients while removing waste products. It operates through rhythmic contractions and relaxations.

Step 2: Consider the mechanical analogy of the heart. A mechanical pump is designed to move fluids (such as water or oil) through a system, mimicking the heart's role in circulating blood through the cardiovascular system.

Step 3: Evaluate the other options provided. A computer mouse, bicycle wheel, and kitchen blender do not replicate the pumping action or fluid movement that is central to the heart's function.

Step 4: Recognize that the mechanical pump is the best object to understand how the human heart works because it demonstrates the principles of fluid dynamics and pressure changes, similar to the heart's operation.

Step 5: Conclude that studying a mechanical pump can help illustrate key concepts such as systole (contraction phase), diastole (relaxation phase), and the movement of blood through valves, which are essential to understanding the heart's physiology.