Excretory Products And Their Elimination

1. GHP (Glomerular Hydrostatic Pressure): Pressure in the glomerulus. It is about 75 mm Hg
2. BCOP (Blood Colloidal Osm otic Pressure) : It is due to the plasma proteins (albumin, globulin and fibrinogen) in the glomeruli
? Plasma proteins are not filtered
? BCOP opposes filtration and is about 32 mm Hg

ADH hormone controls the absorption of water from the renal tubules at the time of urine formation. So, the concentration of urine is controlled by ADH.