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

What is Anatomy & Physiology?

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

What is Anatomy & Physiology?

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Multiple Choice

Why is the nucleus considered the command center of the cell?

It synthesizes proteins and lipids for the cell.

It transports materials throughout the cell.

It contains the cell's genetic material and regulates gene expression.

It is responsible for producing ATP, the cell's energy currency.

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Verified step by step guidance

Understand the role of the nucleus in a cell: The nucleus is a membrane-bound organelle found in eukaryotic cells. It is often referred to as the command center because it houses the cell's genetic material.

Identify the genetic material: The nucleus contains DNA, which is organized into chromosomes. DNA holds the instructions for building proteins and other important molecules necessary for cell function.

Explore gene expression regulation: The nucleus regulates gene expression, which is the process by which information from a gene is used to synthesize functional gene products like proteins. This regulation is crucial for cell differentiation and function.

Differentiate the nucleus from other organelles: Unlike the nucleus, other organelles like the endoplasmic reticulum and mitochondria have different functions, such as synthesizing proteins and lipids or producing ATP, respectively.

Conclude why the nucleus is the command center: Given its role in storing genetic information and controlling gene expression, the nucleus directs cellular activities and responses, making it the command center of the cell.