What organelle is onlg found in abimal cells and onlg used during cell dision?

The image shows ekgs of a person with normal heart waves and of a person having tachycardia. based on this image, what kind of condition is tachycardia? a. the heart beats abnormally fast. b. the heart beats abnormally slow. c. the right atrium of the heart stops working. d. the left ventricle pumps less blood to the aorta.

According to the loco mass the mass of reactants and products

Rotenone is an insecticide that is toxic