Eugene is running and needs more energy. he drinks a sports drink with sugar, but that sugar needs to be converted to another form of chemical energy for his leg muscles to be able to use it. the process that will convert the sugar to energy that his cells can use is cellular

Eugene is running and needs more energy. He drinks a sports drink with sugar, but that sugar needs to be converted to another form of chemical energy forhis leg muscles to be able to use it. The process that will convert the sugar to energy that his cells can use is cellular respiration
hope it helps

Spherical shaped cell might increase the surface area and decrease the volume.