cardiovascular system

vena cava

carries deoxygenated blood from body to heart

aorta

carries oxygenated blood from heart to body

pulmonary vein

carries oxygenated blood from lungs to the heart

pulmonary artery

carries deoxygenated blood from heart to the lungs

stroke volume

amount of blood ejected per beat

heart rate

number of beats per minute

cardiac output

amount of blood ejected per minute

anticipatory rise

increase in heart rate before exercise

large lumen, thin walls, valves

properties of veins

thin lumen, thick muscular walls

properties of arteries

diastole

chambers relax and fill with blood

systole

chambers contract and eject blood

vena cava- ra- rv- pulmonary artery- lungs- pulmonary vein- la- lv- aorta- body

pathway of blood

vascular shunting

blood is re-distributed from inactive to active areas