Sense Organs

1234567891011121314
Across
  1. 4. valve Located between the right atrium and the right ventricle
  2. 6. Largest artery in the body.
  3. 7. One of two lower chambers of the heart.
  4. 8. Lower tip of the heart.
  5. 10. Blood that is oxygen-poor.
  6. 12. Relaxation phase of the heartbeat.
  7. 13. Inner lining of the heart.
  8. 14. Innermost lining of blood vessels.
Down
  1. 1. Muscular middle layer of the heart.
  2. 2. Pacemaker of the heart.
  3. 3. Contraction phase of the heartbeat.
  4. 5. Small artery.
  5. 6. Largest type of blood vessel
  6. 9. Smallest type of blood vessel
  7. 11. Small vein.