Body systems

2. provide support and structure to the body and Blood cells are made in bone marrow
4. delivery system of the body. It delivers nutrients and oxygen throughout the body cells and picks up waste.
6. brings oxygen into the body and removes carbon dioxide.
7. The skin protects and provides a barrier to keep out foreign materials and to prevent the body from drying out.
9. disposes of wastes and controls body fluid levels
10. receives stimuli from inside and outside of the body and responds to change maintains homeostasis which is the regulation of steady, life-maintaining conditions by all of the body systems
11. Fights infection and illness.Includes the white blood cells

1. allow movement of bones and body parts by working with the nervous and skeletal systems
3. breaks down food into substances that cells can absorb and use.
5. Performs reproduction, controls male and female functions and behaviors
8. The skin protects and provides a barrier to keep out foreign materials and to prevent the body from drying out.