Answer:
C. Hydrostatic pressure
Explanation:
It is a kind of pressure exerted by the blood on the walls of the blood vessels or within the chambers of the heart. The implication of the force of hydrostatic pressure is that as blood moves along the capillary, fluid moves out through its pores and into the interstitial space. This pressure in blood vessels, however; is caused by the weight of the blood above it in the vessels.
