Vascular

3. veins contain ______ to prevent backflow of blood
5. this is the type of muscle found in arterioles and veins
6. the ________ pump aids venous blood return back to the heart using the movement of the diaphragm
7. these are the vessels through which we exchange nutrients and wastes
8. the _________ muscle pump forces venous blood back to the heart when we are standing
9. a weak area of the vessel wall pushes outwards
10. the blood pressure in vessels between heart beats
12. when arterioles _________ the blood pressure goes up
15. is where the blood pressure is excessively high at rest or with exercise
19. this is the component of arteries that give them recoil ability
20. this is the connective tissue found in veins that allows them to be stretchy but with no recoil
22. these vessels act as blood reservoirs storing 60% of our blood supply at rest

1. when the vessel __________it increases in diameter
2. this portion of the ANS controls blood vessel size
4. the medical word for fainting
7. reduced blood flow in legs causes pain with walking or leg exertion
11. these chambers of the heart enlarge during ejection of blood which helps venous blood get back to the heart
13. the iliac arteries attach to these big arteries
14. the vessels found between capillaries and veins
16. the artery that attaches to the brachial artery
17. a blockage in an artery causing several symptoms you should know
18. the largest vein in the body
21. the renal artery attaches to this big artery