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

Levels of Organization

Anatomy & Physiology

1. Introduction to Anatomy & Physiology

Levels of Organization

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Multiple Choice

Which of the following correctly lists the levels of organization in the human body from smallest to largest?

Cellular, chemical, tissue, organ, organism, organ system

Chemical, cellular, tissue, organ, organ system, organism

Organ, tissue, cellular, chemical, organ system, organism

Tissue, chemical, cellular, organ, organ system, organism

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Verified step by step guidance

Step 1: Understand the concept of levels of organization in the human body. These levels describe how the body is structured, starting from the smallest components to the most complex systems.

Step 2: Begin with the smallest level, which is the chemical level. This includes atoms and molecules that form the building blocks of life, such as water, proteins, and DNA.

Step 3: Move to the cellular level, where molecules combine to form cells. Cells are the basic units of life and perform specific functions within the body.

Step 4: Progress to the tissue level, where groups of similar cells work together to perform a specific function. Examples include muscle tissue, nervous tissue, and epithelial tissue.

Step 5: Continue to the organ level, where different tissues combine to form organs, such as the heart or liver. Then proceed to the organ system level, where organs work together to perform complex functions, such as the digestive system. Finally, reach the organism level, which represents the entire human body as a functioning whole.