The passageways of the kidney permit the urine to flow to the bladder and:
A) act as a valve that covers the junction between the ureters and the bladder.
B) surround the Bowman's capsule, which is where the formation of urine begins.
C) selectively reabsorb or secrete substance to maintain fluids and electrolytes.
D) control external sphincter of the urethra and permit the control of urination.
Ans: C
Feedback:
The capillaries of the glomerulus are porous, and, as the blood passes through the glomerular capillaries, some constituents of the blood are filtered out.
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