Male

• Corpus spongium - the mass of spongy tissues which surrounds the urethra and involves in erection by allowing rushing of blood into it
• Corpus cavernosa - one of a pair of sponge-like regions of erectile tissues which contains most of the blood in the penis during penile erection
• Urethra - a tube within the penis that conveys semen out of the body during ejaculation
• Glans - the rounded, highly sensitive head of the penis
• Prepuce - a fold of skin, covering the head of the penis
• Scrotum - a pouch of skin formed from the lower part of the abdominal wall, it keeps the testes at a temperature slightly cooler than body temperature
• Testis - two oval-shaped organs that produce sperm and testosterone
• Testosterone - the primary male sex hormone
• Epididymis - a tightly coiled tubes against testicles, it acts as a maturation and storage for sperm
• Vas deferens - a thin tube that starts from the epididymis to the urethra in the penis
• Accessory glands - these glands produce nourishing fluids for the sperms that enter the urethra

  -seminal vesicles

  -prostate gland

  -bulbourethral glands
• Seminal vesicles - sac-like structures attached to the vas deferens at one side of the bladder
• Prostate gland - surrounds the ejaculatory ducts, the base of the urethra, just below the bladder, this is responsible for making the production of semen
• Semen - a liquid mixture of sperm cells, prostate fluids, and seminal vesicles
• Bulbourethral glands (Cowper's gland) - 2 small glands located on the sites of the urethra just below the prostate gland, these glands produce a clear, slippery fluid that empties directly into the urethra