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