The urethra is a thin-walled tube that extends from the urinary bladder through the penis to the external environment.
This lower temperature is necessary for the production of viable sperm.
Its cells reflexively contract or relax to shorten or lengthen the scrotum in response to temperature changes. Joseph H Volker T
Male reproductive system - Wikipedia
Prostatic fluid is forced through 20 to 30 tiny ducts into the urethra during ejaculation. Secretes alkaline fluid containing nutrients for sperm and prostaglandins for stimulating reverse peristalsis of the uterus and uterine tubes; helps keep semen slightly alkaline.
More info on Virtual reality. The primary functions of the male reproductive system are the production of male sex hormones, the formation of sperm, and the placement of sperm in the female reproductive tract, where one sperm can unite with a female sex cell.
Male Reproductive System – Locations and Functions of the Male Reproductive Organs
Structure of the Male Reproductive System - Men's Health Issues - MSD Manual Consumer Version
Although only one sperm participates in fertilization, many sperm are necessary for fertilization to occur. Control mechanisms prevent urine and semen passing at the same time.
Male Reproductive System Images, Stock Photos & Vectors