Heart

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Across
  1. 6. Which side of the heart carries deoxygenated blood
  2. 7. They are only one cell thick
  3. 12. Which ventricle wall is thicker
  4. 13. These take blood away from the heart
  5. 14. The pipe that connects the stomach to the mouth
Down
  1. 1. The part below the lungs that goes up and down as you breathe in and out
  2. 2. side Which side of the heart does oxygenated blood go through
  3. 3. Name the tube that connects the lungs to your mouth
  4. 4. What cell fragments help blood to clot at a wound
  5. 5. Which vessel has the thickest wall
  6. 8. What is the space inside a blood vessel called
  7. 9. Name a substance found in plasma
  8. 10. These have valves to stop blood flowing backwards
  9. 11. ventricle Where does blood go after the right atrium