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

3. Energy & Cell Processes

Introduction to Metabolism

Anatomy & Physiology

3. Energy & Cell Processes

Introduction to Metabolism

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Multiple Choice

What is the body's main source of fuel?

Glucose

Minerals

Proteins

Vitamins

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Verified step by step guidance

Begin by understanding the role of macronutrients and micronutrients in the body. Macronutrients include carbohydrates, proteins, and fats, which provide energy, while micronutrients like vitamins and minerals support various bodily functions.

Identify the primary function of carbohydrates in the body. Carbohydrates are broken down into glucose, which is a simple sugar that serves as the main source of energy for cells.

Explore how glucose is utilized in the body. Glucose is absorbed into the bloodstream and transported to cells, where it is used in cellular respiration to produce ATP, the energy currency of the cell.

Consider the role of proteins and fats. While proteins can be used for energy, they are primarily used for building and repairing tissues. Fats are a secondary source of energy and are important for long-term energy storage.

Examine the role of vitamins and minerals. These are essential for various biochemical processes but do not directly provide energy. They support the metabolism of macronutrients and the production of energy from glucose.