laries into the glomerular capsule and then into the renal tubule. ??? ??? ??? Tubular Reabsorption What term refers to the return of substances to the blood stream? ??? ??? ??? Tubular Secretion What term refers to removing substances such as wastes, drugs, and excess ions from the blood? ??? ??? ??? Fenestrations What permits all solutes in blood plasma to exit glomerular capillaries but prevent