Across
- 3. The blood from the left atrium flows through the mitral or ___________ valve.
- 6. low level of oxygen
- 9. connect arteries to veins
- 12. defense against disease
- 13. Blood from the right atrium passes through the _______ valve.
- 14. Blood from the right ventricle passes through the pulmonary ______ valve.
- 16. carry blood toward the heart
Down
- 1. type of blood which main function is to carry oxygen
- 2. The upper two chambers of the heart
- 4. are proteins found in plasma. They're part of your body's natural defenses
- 5. the process by which red blood cells are produced.
- 7. protein in RBC that carries oxygen.
- 8. function for blood clotting
- 10. protein molecules found on the surface of red blood cells.
- 11. Muscle that divides the heart into right and left halves
- 15. carry blood away from the heart
- 16. The lower two chambers of the heart