Across
- 1. Liquid waste
- 3. Lets out solid waste
- 5. The process of making children
- 7. It makes oxygen
- 10. Can cause feelings of stress and make you feel nervous
- 11. A bone structure
Down
- 2. hair, toenails, fingernails, and tissue
- 3. Hormones
- 4. Delivers blood
- 6. a complex system of organs, nerves, and cells
- 8. it breaks down food and turns it into energy
- 9. Helps your body move