The 2-Minute Rule for sex
The testicles (male gonads), are where sperm and male hormones are made. Millions of sperm are made each day in several hundred seminiferous tubules. Cells called the Leydig cells lie involving the tubules; these produce hormones known as androgens; these encompass testosterone and inhibin.İki kız kuzeni hayatlarında hep merak ettikleri kendisin