Biology 20 - Chapter 10 Study Guide Exam And Actual Answers.

pulmonary circuit - Answer a path that carries blood to the lungs systemic circuit - Answer Circuit of blood that carries blood between the heart and the rest of the body. blood vessels - Answer arteries, veins, capillaries Arteries - Answer Blood vessels that carry blood away from the heart arterioles - Answer small arteries pulse - Answer change in the diameter of the arteries following heart contractions vasoconstriction - Answer narrowing of blood vessels vasodilation - Answer widening of blood vessels Atherosclerosis - Answer condition in which fatty deposits called plaque build up on the inner walls of the arteries Atherosclerosis symptoms - Answer blood clots, heat attacks, angina (cheat pain) aneurysm - Answer ballooning of a weakened portion of an arterial wall; if in brain may cause a stroke capillary - Answer A tiny blood vessel where substances are exchanged between the blood and the body cells. veins - Answer carry blood to the heart venules - Answer small vessels that gather blood from the capillaries into the veins; contain one way valves to prevent back-flow