Across
- 1. fights off pathogens
- 6. gas exchange
- 9. includes your hair, skin, and nails
Down
- 2. helps your body move
- 3. breaks down food
- 4. contains the heart, veins, and arteries
- 5. produces hormones
- 7. supports the body
- 8. control center of body
- 10. filters waste from your blood