The Circulatory system

12345678910111213
Across
  1. 4. When haemoglobin combines with oxygen from the lungs it becomes?
  2. 6. The amount of blood expelled from the heart each minute
  3. 7. The volume of blood pumped out of the heart by each ventricle in on beat
  4. 9. What is the name of the artery at the wrist used for measuring heart rate
  5. 10. Which organ pumps blood around the body?
  6. 11. The blood vessel that carries deoxygenated blood to the heart
  7. 12. The measurement of the heart beats per minute
Down
  1. 1. Blood that is high in oxygen but low in carbon dioxide
  2. 2. Which artery pumps blood to the lungs?
  3. 3. Blood that is low in oxygen and high in carbon dioxide
  4. 5. Which blood vessel allows food and oxygen to diffuse to cells?
  5. 8. They prevent the back flow of blood
  6. 13. Which blood vessels has the highest blood pressure?