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

2. Cell Chemistry & Cell Components

Atoms- Smallest Unit of Matter

Anatomy & Physiology

2. Cell Chemistry & Cell Components

Atoms- Smallest Unit of Matter

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Multiple Choice

What element is most abundant in the human body?

Carbon

Hydrogen

Oxygen

Nitrogen

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Verified step by step guidance

Begin by understanding that the human body is composed of various elements, each contributing to different physiological functions.

Consider the role of each element listed: Carbon is a key component of organic molecules, Hydrogen is involved in water and organic compounds, Nitrogen is essential for amino acids and proteins, and Oxygen is crucial for cellular respiration and water composition.

Recognize that Oxygen is the most abundant element in the human body by mass, primarily due to its presence in water, which makes up a significant portion of the body's weight.

Understand that Oxygen is vital for the process of cellular respiration, where it helps in the production of ATP, the energy currency of the cell.

Conclude that while all these elements are important, Oxygen's abundance is due to its role in water and its necessity for energy production in cells.