Across
- 4. system responsible for producing new human beings
- 7. system that uses hormones to control certain internal body functions
- 8. system that supports the body and protects vital organs
- 9. system that produces the movements of the body
- 11. system that exchanges oxygen and carbon dioxide between the air and the blood
Down
- 1. system that breaks down and absorbs nutrients for the body so use as energy
- 2. portion of the immune system that circulates certain fluids to help fight infection and disease
- 3. system that coordinates body functions and activities
- 5. system that concentrates and removes liquid wastes from the body
- 6. system that covers and protects the body
- 10. system that transports nutrients, wastes, respiratory gases and other materials throughout the body
