Sophie Biebel-p4: Circulatory system

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Across
  1. 2. organ that pumps blood throughout the body
  2. 4. large vein carrying deoxygenated blood into the heart
  3. 7. phase of the heartbeat when the heart muscle relaxes and allows the chambers to fill with blood
  4. 8. phase of the heartbeat when the heart muscle contracts and pumps blood from the chambers into the arteries
  5. 9. the two upper cavities of the heart from which blood is passed to the ventricles
  6. 10. abnormally high blood pressure
Down
  1. 1. small colorless disk-shaped cell fragment without a nucleus
  2. 3. body fluid that delivers nutrients and oxygen to the cells
  3. 5. fine branching blood vessels
  4. 6. blood vessels that carry blood towards the heart
  5. 9. main artery of the body