They had to change they way they live which is quite difficult it is like you going to a new school in a new state and not being used to anyone
They convert carbon into other 'waste' products like oxygen. To put it simply it removes carbon from the carbon cycle.
creatine phosphate is the chemical that helps to regenerate ATP
I'm sure it's true .because sperm particles contain 250 million particles.
If we look to the nucleus contain 1.5 million neurons.