physiology of systemic circulation Flashcards
1
Q
what determines the physiology of the systemic circulation?
A
anatomy of the circulatory system
dynamics of blood flow
regulatory mechanisms that control the heart and blood vessels
2
Q
where is the majority of the blood volume of the systemic circulation?
A
in veins (because they have greater compliance)
3
Q
where is the smaller volume of blood volume of the systemic circulation?
A
arteries and capillaries
4
Q
as diameter of blood vessels decrease, the total cross-sectional area ______ and the velocity of blood flow _____
A
cross sectional area increases
velocity of blood flow decreases
5
Q
what happens to the blood pressure as the diameter of blood pressure decreases?
A
drops drastically