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 of the following excretory organs maintains a…Which of these is NOT an excretory organ/organelle?Which of the following organs in mammals is not…The excretory organ of earthworms is known as?Which of the following is an excretory product of Amoeba?