The Heart and Cardiac Cycle

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Across
  1. 3. Causes valves to open (8)
  2. 4. Carries blood into right side of heart (4,4)
  3. 5. Carries blood away from left side of heart (5)
  4. 6. What the muscle does in order to move blood (8)
  5. 8. The type of muscle that the heart is made of (7)
  6. 10. The only artery carrying deoxygenated blood (9,6)
  7. 11. The stage of relaxation of the heart (8)
Down
  1. 1. Has the thickest wall of the 4 chambers (4,9)
  2. 2. These supply the heart muscle with oxygen (8,8)
  3. 7. The volume of blood leaving the left side of the heart in 1 min (6,6)
  4. 9. Prevent the back flow of blood (6)