What is the relationship between hydrostatic pressure and osmotic pressure in capillaries and how do they influence fluid movement within the circulatory system?

Hydrostatic pressure is the force exerted by fluid within capillaries, pushing fluid out. Osmotic pressure is the force caused by the concentration of solutes, pulling fluid in. These pressures work together to regulate fluid movement in the circulatory system. Hydrostatic pressure pushes fluid out of capillaries, while osmotic pressure pulls fluid back in. This balance helps maintain proper fluid levels in the body and ensures nutrients and waste are exchanged efficiently.