Which of the following statements is/are TRUE? Select all that apply.
A. Filtration is the movement of materials across the wall of the nephron into Bowman’s capsule to form a filtrate.
B. In reabsorption, the solutes are reabsorbed across the filtration membrane into the interstitial fluid by transport processes, such as active transport and cotransport.
C. In secretion, solutes are secreted across the wall of the nephron into the filtrate.
D. All statements need further evaluation.