Which of the following is NOT an excretory organ? by Sunday | Apr 26 | Biology NECO | 0 comments A. Heart B. Kidney C. Liver D. Lung E. Skin Correct Answer: Option A – Heart Users Also Read These:Which excretory product is NOT found in mammals?Which of the following is NOT an excretory product…Which of the following structures functions as an…Which of the following is not an organ of the…Which of the following is an excretory product of Amoeba?