Chapter 23 Flashcards
1
Q
Capillaries connect ___________ to venules.
A
arterioles
2
Q
Where does gas exchange occur between the blood and tissues?
A
capillaries
3
Q
Arteriole vasoconstriction _____________ blood flow into the capillaries, while arteriole vasodilation _____________ blood flow into the capillaries.
A
decreases, increases
4
Q
innermost layer of blood vessel wall
A
tunica interna
5
Q
middle layer of blood vessel wall
A
tunica media
6
Q
outermost layer of blood vessel wall
A
tunica externa
7
Q
Blood pressure is highest in the ___________ and lowest in the _____________.
A
arteries closest to the heart; veins
8
Q
ventricular relaxation
A
diastolic blood pressure
9
Q
ventricular contraction
A
systolic blood pressure
