The Circulatory System

12345678910111213
Across
  1. 2. blood helps spread _______ around the body to keep us warm
  2. 3. cells need _______ to make them work
  3. 8. blood vessels leading out of the heart are called _______
  4. 9. _______ carries useful deliveries like food & medicine to the cells
  5. 10. _______ blood cells protect the body by fighting germs and diseases
  6. 11. _______ blood cells carry oxygen and deliver it to all the cells in the body
  7. 12. blood vessels leading back to the heart are called _______
  8. 13. _______ clump together to build scabs & heal cuts
Down
  1. 1. _______ are the tiniest blood vessels between the arteries & veins
  2. 4. cells need this important gas which we breathe in from the air
  3. 5. when your heart beats you can feel your _______ in places like your wrist & neck
  4. 6. blood carries _______ away from the cells
  5. 7. blood flows through a network of tubes called _______