Across
- 3. The long tube where the body soaks up nutrients from food
- 5. The CPU that processes all your thoughts
- 7. These tubes carry fresh, oxygen-rich blood away from the heart
- 8. The largest organ and a physical barrier to protect you from pathogens
Down
- 1. These hard structures provide a frame for your body
- 2. Bean-shaped organs that help filter waste out of your blood
- 4. The specialized muscle only found in the heart
- 6. Little chemical messengers that tell the body how to react