The excretory system in mammals consists of the following parts except? by Sunday | Dec 7 | Biology WAEC | 0 comments A. two kidneys B. two ureters C. two bladders D. one urethra Correct Answer: Option C C. two bladders Users Also Read These:SS2 First Term Biology Lesson Note – Excretory System IIWhich excretory product is NOT found in mammals?The blood circulatory system of vertebrates consists of?The following substance are excretory products in…Which of the following structures functions as an…