Which of the following sections of the mammalian nephron is incorrectly paired with its function?
a. Bowman's capsule and glomerulus - filtration of blood
b. Descending limb of loop of Henle - diffusion of urea out of the filtrate
c. Proximal tubule - secretion of toxins and H+ into the filtrate and transport of glucose and amino acids out of tubule
d. Ascending limb of loop of Henle - diffusion and pumping of NaCl out of the filtrate
e. Distal tubule - regulation of pH and K+
Answer: b. Descending limb of loop of Henle - diffusion of urea out of the filtrate
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