Across
- 1. uses nerves to send messages throughout the body
- 4. the heart pumps blood through this system
- 5. breaks down your food
- 8. produces gametes
- 10. kidney, bladder, etc
- 11. circulates blood and oxygen through the body
Down
- 2. you breathe using this system
- 3. fights off sickness and viruses
- 6. supports and protects the body's internal organs (ie: rib cage)
- 7. controls hormones throughout the body
- 9. how many parts of the digestive system are there?