8th Grade Health Term Exercise - Chapter 2 Match each term in the middle to the correct definition.         venae cavae aorta arterioles septum atrium ventricle circulation veins arteries venules capillaries pericardium cardiovascular pathogens radial arteries thrombin temporal arteries white blood cells adrenal glands epinephrine antibodies platelets red blood cells stroke carotid arteries         1. the "holding tank" on each side of the heart 14. the smallest of blood vessels which deliver blood to the cells             2. The ______ carry blood away from the heart 15. large veins that lead to the right atrium             3. arteries in your neck 16. system that includes the , heart, blood vessels, and blood             4. loose sac that encloses the heart 17. the volume of blood ejected from the ventricle with each contraction is called the ______ volume             5. arteries in your wrist 18. special blood clotting enzyme             6. the process by which blood is carried away from the heart and back to it again 19. surround and destroy disease causing microorganisms             7. arteries on the sides of your face, by your eyes 20. carries oxygen to all parts of your body             8. wall between the two sides of the heart 21. located at the top of each kidney, are stimulated to secrete several hormones             9. the smallest veins, which carries the blood to larger veins 22. float in plasma and help fight disease causing microorganisms             10. the largest artery of your body 23. help the blood clot             11. the main "pumping chamber" of the heart 24. hormone which influences your body in several ways: pupils and bronchial tubes to dilate; heart and breathing rate to increase, etc             12. carries blood to the heart 25. disease-causing microorganisms             13. the smallest arteries