The
correct answer is
capillary.
The force that drives
fluid out of capillaries and into the tissues is called capillary hydrostatic
pressure (CHP) and it rises as the fluid (blood) moves into tissues. CHP may
drop along the length of the capillary by 17-35 mmHg and it is highest at the
arteriolar end of the capillary and lowest at the venular end.
