Body Systems
Across
- 3. body part that is made of different kinds of tissues
- 6. process of transporting blood throughout the body
- 9. group of organs that work together to do a job
- 10. process of changing food in your body
- 12. smallest living part of a person's body
Down
- 1. mineral that helps to keep bones strong
- 2. largest organ in the body
- 4. main organs of the respiratory system
- 5. waste gas produced by the body during breathing
- 7. exchange of gases within the body
- 8. blood vessels that carry oxygen rich blood
- 11. group of cells that work together to do a job