Answer:
The Dog is has much more cells because it's bigger.
Explanation:
when a puppy grows up to be a dog, it gains more cells because it GROWS up and becomes bigger than the puppy's original size.
Sex cell
Sex cell
Body cell
Sex cell
Body cell
Sex cell
Sex cell
Sex cell
Body cell
..... if you have any questions just ask me...
The mitochondrion coming from apex.