Transport in Humans

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Across
  1. 2. Carries deoxygenated blood from the cells all over the body to be deposited in the right atrium
  2. 3. Relaxation of heart chambers.
  3. 4. Valve preventing the backflow of blood into the right atrium
  4. 6. Blood rich in oxygen on its way from the lungs to the heart.
  5. 10. Blood lacking in oxygen.
  6. 12. The heart acts as a _______ to pushes blood around the body.
  7. 14. Circulation of blood from the heart to the body and back to the heart.
  8. 15. Carries deoxygenated blood from the heart to the lungs
  9. 16. Receives deoxygenated blood from the vena cava
  10. 17. Receives oxygenated blood from the pulmonary veins
  11. 18. Carries oxygenated blood from the left ventricle to all the cells of the body
  12. 20. System that transports substances around the body.
Down
  1. 1. Receives deoxygenated blood from the right atrium, contracts and pumps the blood into the pulmonary artery
  2. 5. Contraction of heart chambers.
  3. 7. Valve preventing the backflow of blood into the left atrium
  4. 8. Valve preventing the backflow of blood into the right ventricle.
  5. 9. Muscular structure that separates the left and right side of the heart
  6. 11. Valve preventing the backflow of blood into the left ventricle.
  7. 13. Carries oxygenated blood from the lungs to be deposited in the left atrium
  8. 19. Receives oxygenated blood from the left atrium, contracts and pumps the blood into the aorta