1/4
Looks like no tags are added yet.
Name | Mastery | Learn | Test | Matching | Spaced |
---|
No study sessions yet.
what controls blood flow through the nervous system?
nervous system
hormones
Vasoconstriction
narrowing of the vessel diameter
less blood is delivered to tissues
Vasodilation
widening of the vessel diameter
more blood is delivered to tissues
when do arterioles leading to capillaries open
when cells in that area require blood
precapillary sphincters
regulate the movement of blood from the arterioles into capillaries