A) blood vessels.
B) lymphatics.
C) the ureters.
D) the urethra.
E) All of the answers are correct.

A) regulation of extracellular fluid volume
B) maintenance of ion balance in body fluids
C) regulation of blood protein levels
D) regulation of blood osmolarity
E) homeostatic regulation of blood pH

A) the expanded end of a nephron.
B) a "knot" of capillaries that lies within the Bowman's capsule.
C) the portion of the nephron closest to the renal corpuscle.
D) the portion of the nephron that attaches to the collecting duct.
E) the hairpin-shaped segment of the nephron.