Across
- 2. system This system is responsible for breaking down food and absorbing nutrients.
- 5. system This system includes the heart and blood vessels.
- 6. system This system provides support and movement for the body.
Down
- 1. system This system regulates breathing and exchanges gases.
- 3. system This system defends the body against pathogens.
- 4. body systems These systems work together to maintain homeostasis and ensure the body functions properly.