Across
- 5. Heart relaxation at rest
- 9. Blood flow to lungs and back
- 10. Carry blood towards the heart; has valves
- 13. Receives oxygen-poor blood from the vena cava
- 15. Stimulate contraction of myocardium
- 17. Liquid connective tissue composed of plasma and red and white blood cells
- 18. Heart tissue; striated and involuntary
- 20. Heart rate, or number of beats per minute
Down
- 1. Involves platelets (WBC) and prothrombin protein, which converts to the protein fibrin clot
- 2. Blood flow to arteries around the heart
- 3. Blood to all parts of the body from left ventricle to right atrium
- 4. Pumps oxygen-poor blood through the pulmonary arteries to lungs for oxygen
- 6. Microscopic blood vessels permeable to gases via diffusion
- 7. Systolic pressure over diastolic pressure
- 8. Veins from digestion, spleen and pancreas to hepatic portal vein of liver and drained into vena cava
- 11. Blood flow to the brain
- 12. Tricuspid on the right and bicuspid on the left
- 14. Carry oxygen-rich blood away from the heat (except to the lungs)
- 16. Graph of the contraction and relaxation of the heart muscle
- 19. Cardiopulmonary Resuscitation