Across
- 4. this is a bridge between the brain and nerves
- 6. the is the main part of the integumentary system
- 7. the smallest unit of all living things
- 9. what organ is part of the circulatory system
- 10. what sparks the sensory receptors
Down
- 1. these help us move
- 2. this system includes your lungs
- 3. this flows through your vessels
- 5. this system includes your heart
- 6. all the bones are part of what system
- 8. what system controls the body