circulatory system and structure of the heart

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Across
  1. 4. what delivers oxygenated blood from the lungs to the left side of the heart
  2. 5. what colour is oxyhaemoglobin
  3. 6. what system transports oxygenated blood from the heart to the body to deliver o2 and then back to the heart
  4. 10. what valve separates the atrium and ventricle, keeping the blood flowing in the right direction - it is attached to the ventricular walls with tendons(dont strech)
  5. 13. what do the ventricles do that produces the pressure that transports the blood around the body
  6. 15. what delivers deoxygenated blood to the right side of the heart
  7. 16. what muscle is the heart made out of that can contract and relax repeatedly
  8. 17. what separates the left and right side of the heart
  9. 18. what pumps oxygenated blood from the heart to the rest of the body
  10. 19. what valve separates the aorta/pulmonary artery from the ventricles
  11. 20. the system used by humans for blood to be pumped through the body, it travels trough the heart twice in one cycle
Down
  1. 1. what pumps deoxygenated blood from the heart to the lungs
  2. 2. what colours is haemoglobin
  3. 3. what is the lower chamber called
  4. 7. these provide the heart with blood(own supply)they break away from the aorta and snake around the cardiac muscle
  5. 8. which system transports deoxygenated blood to the lungs to take up o2 and then back to the heart
  6. 9. the system of tubes that blood flows through, movement through these tubes is caused by a pressure change from the contraction of the heart
  7. 11. what is the upper chamber called
  8. 12. there are 2 pumps in the heart each are made up of 2 what
  9. 14. are the walls of the atrium thicker or thinner than the ventricles
  10. 21. what ventricle wall is thicker, right(pumps to lungs) or left(pumps to rest of the body)