Ejaculation is achieved by an involuntary contraction of muscles and vessels that propel semen from the human body. The exact same tube that is certainly utilized for ejaculation, known as the urethra, can also be useful for urination (peeing). The foundation is made of the two muscles (ischiocavernosus and bulbospongiosus https://bookmarkerz.com/story19572076/the-ultimate-guide-to-filler