The Semen Book

Did you know that human sperm is ejaculated at a speed of 17km/h? Or that ejaculate is pushed out in 0.8 second intervals? Or that the male orgasm, which usually lasts between 3 and 10 seconds, only in exceptional cases lasts longer than 15 seconds? Or that it is accompanied by an increase in heart frequency to 180 beats per minute, and that breathing can accelerate to 40 breaths per minute?