2. Human Body Systems 7 th grade 2014

3. Circulatory System Working with the respiratory system, it carries needed materials to cells and carries away form cells, Removes wastes from the body

4. Digestive System break down food into molecules the body can use; allow materials to be absorbed into bloodstream; Eliminate wastes

5. Endocrine System controls many of the body's daily activities as well as long-term changes such as development

6. Excretory System Waste chemicals, salts, and excess water are removed from the body; excess salts and water removed in sweat; waste gases are eliminated in exhaled breath from lungs

7. Immune System distinguish between different kinds of pathogens (disease/germ) with a defense targeted specifically at that pathogen

8. Integumentary System protects body from injury; helps regulate temperature; Eliminate waste; gather information about the environment; produce vitamin D

9. Muscular System provides force to move bones; automatically control movements inside the body, ex: heart beats

10. Nervous System receives and relays information for your body to maintain homeostasis, stable internal environment

11. Respiratory System moves oxygen from outside environment into the body; removes carbon dioxide and water from the body

12. Skeletal System protects the organs, Provides shape & support, allows for movement, produces blood cells, stores some materials for use later