During puberty, testosterone and other hormones cause these cells to transform into sperm cells. The cells divide and change until they have a head and short tail, like tadpoles. The head contains genetic material (genes). The sperm move into the epididymis, where they complete their development.
hi, right when I first started using using an inhaler I had a rush of energy. it also depends on what kind of inhaler you have too though. your body just has to get used to it.