The male reproductive system is responsible for producing semen, which is the fluid that carries sperm. The major structures involved in this process include:

1. Testes: These are the primary male reproductive organs. They produce sperm and the hormone testosterone. The process of sperm production, known as spermatogenesis, occurs in the seminiferous tubules within the testes.

2. Epididymis: This is a long, coiled tube that rests on the backside of each testicle. It transports and stores sperm cells that are produced in the testes. It also brings the sperm to maturity, since the sperm that emerge from the testes are immature and incapable of fertilization.

3. Vas Deferens: This is a long muscular tube that travels from the epididymis into the pelvic cavity, to just behind the bladder. The vas deferens transports mature sperm to the urethra in preparation for ejaculation.

4. Seminal Vesicles: These are sac-like pouches that attach to the vas deferens near the base of the bladder. The seminal vesicles produce a sugar-rich fluid (fructose) that provides sperm with a source of energy and helps with the sperms’ motility (ability to move). The fluid of the seminal vesicles makes up most of the volume of a man’s ejaculatory fluid, or ejaculate.

5. Prostate Gland: The prostate gland is a walnut-sized structure that is located below the urinary bladder in front of the rectum. The prostate gland contributes additional fluid to the ejaculate. Prostate fluids also help to nourish the sperm.

6. Bulbourethral Glands: Also called Cowper's glands, these two small glands are located below the prostate and discharge a clear, lubricating fluid into the urethra that neutralizes the acidity of the urethra (caused by residual urine) before the semen passes through.

7. Urethra: The urethra is the tube that carries urine from the bladder to outside of the body. In males, it has an additional function of ejaculating semen when the man reaches orgasm. When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm.

These structures work together to produce and transport semen, which is made up of sperm from the testes and fluids from the seminal vesicles, prostate gland, and bulbourethral glands.

Question

The male reproductive system is responsible for producing semen, which is the fluid that carries sperm. The major structures involved in this process include:

1. Testes: These are the primary male reproductive organs. They produce sperm and the hormone testosterone. The process of sperm production, known as spermatogenesis, occurs in the seminiferous tubules within the testes.

2. Epididymis: This is a long, coiled tube that rests on the backside of each testicle. It transports and stores sperm cells that are produced in the testes. It also brings the sperm to maturity, since the sperm that emerge from the testes are immature and incapable of fertilization.

3. Vas Deferens: This is a long muscular tube that travels from the epididymis into the pelvic cavity, to just behind the bladder. The vas deferens transports mature sperm to the urethra in preparation for ejaculation.

4. Seminal Vesicles: These are sac-like pouches that attach to the vas deferens near the base of the bladder. The seminal vesicles produce a sugar-rich fluid (fructose) that provides sperm with a source of energy and helps with the sperms’ motility (ability to move). The fluid of the seminal vesicles makes up most of the volume of a man’s ejaculatory fluid, or ejaculate.

5. Prostate Gland: The prostate gland is a walnut-sized structure that is located below the urinary bladder in front of the rectum. The prostate gland contributes additional fluid to the ejaculate. Prostate fluids also help to nourish the sperm.

6. Bulbourethral Glands: Also called Cowper's glands, these two small glands are located below the prostate and discharge a clear, lubricating fluid into the urethra that neutralizes the acidity of the urethra (caused by residual urine) before the semen passes through.

7. Urethra: The urethra is the tube that carries urine from the bladder to outside of the body. In males, it has an additional function of ejaculating semen when the man reaches orgasm. When the penis is erect during sex, the flow of urine is blocked from the urethra, allowing only semen to be ejaculated at orgasm.

These structures work together to produce and transport semen, which is made up of sperm from the testes and fluids from the seminal vesicles, prostate gland, and bulbourethral glands.

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