Across
- 4. Receives oxygenated blood from the pulmonary veins
- 6. Prevents deoxygenated blood from flowing back into the right atrium
- 8. Muscular tissue that separates the left and right sides of the heart
- 11. Muscle that forms the heart wall
- 14. Instrument that measures blood pressure
- 16. Receives deoxygenated blood
- 17. Brings oxygenated blood to the left atrium
- 19. Pumps deoxygenated blood into the pulmonary circulatory system
- 20. A strand like molecule that joins with others to form a blood clot
Down
- 1. Protein based molecule that contains iron and combines with oxygen in a red blood cell.\
- 2. Contraction stage of the cardiac cycle that leaves blood from the heart chambers
- 3. Pumps oxygenated blood into the systemic circulation
- 5. Prevents the back flow of oxygenated blood into the left atrium
- 7. Brings deoxygenated blood from the systemic circulatory system to the heart
- 9. High blood pressure
- 10. Relaxation stage of the cardiac cycle that allows blood to flow into the heart chambers
- 12. Largest artery in the body and accepts blood from the left ventricle during systole.
- 13. Thin-walled chamber of the heart that receives blood
- 15. Brings deoxygenated blood from the right ventricle to the lungs
- 18. Oxygen transport throughout the body resulting from a decrease in blood hemoglobin or red blood cell number