2. Organization Cells- smallest living unit
Tissues- group of similar cells
Organs- group of tissues doing a job
Systems- groups of related organs working together ex...

3. We will study these Human Systems
Has blood, blood vessels, and a heart?
Circulatory System
Bony support system?
Skeletal System

4. Human Systems Muscular System Produces new humans using sperm and egg?
Moves the bones?
Muscular System
Produces new humans using sperm and egg?
Reproductive System

5. Human Systems Nervous System Controls body by chemicals?
Controls body by electricity?
Nervous System
Controls body by chemicals?
Endocrine System

6. Human Systems Provides oxygen to our cells? Respiratory System
Removes wastes?
Excretory/Urinary System

7. Human Systems Gets energy and nutrients out of our food?
Digestive System
Includes skin and fingernails?
Integumentary System

8. Human Systems Has vessels that work with circulatory system?
Lymphatic System
Fights germs and viruses?
Immune System