Across
- 2. blood helps spread _______ around the body to keep us warm
- 3. cells need _______ to make them work
- 8. blood vessels leading out of the heart are called _______
- 9. _______ carries useful deliveries like food & medicine to the cells
- 10. _______ blood cells protect the body by fighting germs and diseases
- 11. _______ blood cells carry oxygen and deliver it to all the cells in the body
- 12. blood vessels leading back to the heart are called _______
- 13. _______ clump together to build scabs & heal cuts
Down
- 1. _______ are the tiniest blood vessels between the arteries & veins
- 4. cells need this important gas which we breathe in from the air
- 5. when your heart beats you can feel your _______ in places like your wrist & neck
- 6. blood carries _______ away from the cells
- 7. blood flows through a network of tubes called _______