Answer:
The digestive system
Explanation:
Because the food gets dissolve in the digestive system. After it finished dissolving, the body must elimenate it by using the bathroom.
Beacause prokariyotics are unicellular organisms.
Well, mitochondria are the energy supplying organelles.
Knowing this, the mitochondria is different in the cells of older people because its been damaged, its called Mitochondrial Aging. When mitochondria age, just like us, they get damaged. And when they get damaged they damage our age, in a sense that we get older. This is how it is different in older people.
