the circulatory system Flashcards
1
Q
what is blood pressure
A
the force exerted by the blood against the walls of the blood vessels
2
Q
how do you calculate blood pressure
A
blood pressure = cardiac output x resistance
3
Q
where is blood velocity the fastest and the slowest
A
it is in the fastest in the aorta and other large arteries.
it is slowest in the capillaries and veins
it is inversely proportionate to the cross-sectional area of the blood vessels, and blood flows fastest where cross-sectional area is the lowest.
