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Introduction to the Human Body
Textbook pages 508 - 517
Name ____________________________
Date _________
Period _____
Characteristics of living organisms:
1. Cells
2. DNA
3. Use energy
a.Movement
b.Maintenance
c. Waste
d.Growth and Reproduction
There are different levels of organization within the human body. From smallest to largest they are:
Examples
1. Cell organelle
2. Cell
3. Tissue
4. Organ
5. Organ System
6. Organism
What are at least two functions of each of the following organ systems? (Textbook pages 511 – 516.)
1. Skin (Integumentary System)
2. Skeletal System
3. Muscular System
4. Circulatory System
5. Respiratory System
6. Digestive System
7. Excretory System
8. Immune System
9. Reproductive System
10. Nervous System
11. Endocrine
What is homeostasis?
Why is homeostasis important to all living organisms?