The thin-walled urinary bladder is present ventral to the rectum which also opens in the cloaca. The frog excretes urea and thus is a ureotelic animal. Excretory wastes are carried by blood into the kidney where it is separated and excreted.
Adjacent to a frequently-asked paragraph in the same chapter.
Why is the excretion in frogs called ureotelic?
Correct answer: A — They excrete urea as primary nitrogenous waste
Frogs excrete urea which is less toxic and conserves water.
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