Ejaculation is achieved by an involuntary contraction of muscles and vessels that propel semen from the body. The identical tube that may be useful for ejaculation, called the urethra, is also employed for urination (peeing). This permits the sheath to stretch out as well as the penis to straighten. A https://conkeysbakeryphotos15814.howeweb.com/36136642/examine-this-report-on-service