Cardio+SystemBA

Cardiovascular System (1) What are the two parts of the cardiovascular system? heart blood and blood vessels

(2) What are the functions of the cardiovascular system? to move blood through the body and organs, to keep blood oxygenated and flowing to keep the tissues healthy

(3) What are the types of blood vessels? veins,arteries and capilaries

(4) What is the structure and function of these vessels? veins carry blood against the gravitational pull, they also close to keep blood from flowing in reverse. arteries move large quantities of blood, capillaries simply allow blood to flow through them

(5) Why is the heart a double pump? because it pumps blood both in and out at the same time

(6) What causes the "lub" and the "dup" of the heart sounds? the open and close of the hearts ventricles

(7) What keeps the heart beat regular? electical signals from the brain

(8) What does the pulse rate of a person indicate?

(9) What accounts for blood flow in the arteries? (10) What accounts for blood flow in the veins?