Biology Number of cells that are destroyed in adults by apoptosis are ________ ? Options:A. 20 to 35 billion cellsB. 50 to 70 billion cellsC. 10 to 20 billion cellsD. 15 to 25 billion cellsView AnswerB. 50 to 70 billion cells Continue Reading Previous: More water is reabsorbed in blood due to _________ ?Next: Insects responsible for transmitting diseases are called___________?