Answered

Which of the following helps to produce urine in humans and other mammals?
a.bladder
b.urethra
c.kidneys
d.ureter

Answer :

Answer:

C kidneys

Explanation:

Although the basic elements of renal function are similar in the three classes, birds and mammals are set apart from reptiles in that the kidneys of these species have the ability to produce urines that are hyperosmotic to plasma.

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