42. Osmoregulation and Excretion
Osmoregulation and Excretion
Multiple Choice
Multiple ChoiceWhich is an accurate pairing of a key excretory function with its definition?
A
Filtration happens when blood pressure forces water, nitrogenous waste, and valuable solutes from the blood into the collecting duct.
B
Reabsorption is the reclamation process that returns valuable solutes and water to the nephron from the capillaries.
C
Secretion transports certain toxins, drugs, and excessive ions from the filtrate to the capillaries.
D
Reabsorption is the process in which toxins, drugs, and excessive ions that remain in the blood after filtration are transported into the nephron for disposal in the urine.
E
Excretion moves urine, the processed filtrate, out of the kidney, through the ureter and the bladder, and finally out of the body via the urethra.
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