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