What causes ejaculation? -
i mean when yyou pulling up and down on your skin ((masturbating), why does that make you ejaculate?
friction activated cells and nerves in the penis send signals to the brain triggering a chemical respnse that causes orgasm
It is sexual stimulation that causes you to ejaculate.
the sexy sensation
Friction?
Rubbing of the glands which tell the penis to release seamen.
stimulation