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What Is Semen Made Of And Where Does It Come From?
Composition of Semen - othervision.info, Laboratory Continuing Education
The reproductive system is necessary for the production of new living organisms. The reproductive system is comprised of male and female reproductive organs and structures. Both male and female reproductive organs have internal and external structures. Reproductive organs are considered to be either primary or secondary organs. The other reproductive structures and organs are considered secondary reproductive structures.
What Does the Prostate Gland Do?
Ejaculation , the release of sperm cells and seminal plasma from the male reproductive system. Ejaculation takes place in two phases: in the first, or emission, stage, sperm are moved from the testes and the epididymis where the sperm are stored to the beginning of the urethra , a hollow tube running through the penis that transports either sperm or urine; in the second stage, ejaculation proper, the semen is moved through the urethra and expelled from the body. Sperm cells that are stored in the male body are not capable of self-movement because of the acidity of the accompanying fluids. When the sperm receive fluids, called seminal plasma , from the various internal accessory organs prostate gland , ejaculatory ducts , seminal vesicles , and bulbourethral glands , the acidity decreases. As they leave the body, the sperm receive oxygen , which is vital to motility.
The male reproductive system includes external penis, scrotum, epididymus, and testes and internal accessory organs. These external structures are the penis, scrotum, epididymis, and testes. Male Reproductive System : Lateral view of male reproductive system with organs labeled.