The key male reproductive organs include the testes, epididymis, urethra, vas deferens, prostate gland, seminal vesicle, and penis. The testes are composed of coiled structures called seminiferous tubules, which are the sites of sperm production. Here, the vas deferens joins with the seminal vesicle to form the ejaculatory duct, which passes through the prostate and empties into the urethra. When ejaculation occurs, rhythmic muscle movements propel the sperm forward. Semen, also known as seminal fluid, is an organic fluid that may contain spermatozoa.M

Passage of male sperms from there site of formation to outside ====> seminiferous tubules ==>rete testis ==> vasa efferentia ==>epididymis ==> vasa deferentia ===> ejaculatory duct(combination of vasa deference and seminal vesicles) ==>urethra ==> outside

The Passage of Sperms in the Male Reproductive System

The male reproductive system is responsible for the production and delivery of sperm, which is necessary for fertilization to occur. The passage of sperms through the male reproductive system involves several structures, with the urethra being the main pathway.

1. Testes
The testes are the primary reproductive organs in males. They are responsible for the production of sperm cells through a process called spermatogenesis. The testes are located within the scrotum, a sac-like structure that hangs outside the body. The scrotum helps to regulate the temperature of the testes, as sperm production is optimal at slightly lower temperatures than the body's core temperature.

2. Epididymis
The epididymis is a coiled tube located on the back of each testicle. It serves as a storage and maturation site for sperm cells. Sperm cells produced in the testes are transported to the epididymis, where they gain motility and the ability to fertilize an egg. The epididymis is connected to the vas deferens.

3. Vas Deferens
The vas deferens, also known as the ductus deferens, is a muscular tube that carries mature sperm cells from the epididymis to the urethra. It is a part of the spermatic cord and extends from the epididymis into the pelvic cavity. The vas deferens is responsible for transporting sperm during ejaculation.

4. Seminal Vesicles, Prostate Gland, and Bulbourethral Glands
Before reaching the urethra, the vas deferens combines with the duct from the seminal vesicles, prostate gland, and bulbourethral glands. These accessory glands produce fluids that mix with sperm to form semen. Seminal vesicles contribute fructose and other nutrients, while the prostate gland adds an alkaline fluid to protect sperm from the acidic environment of the vagina. The bulbourethral glands secrete a lubricating fluid that helps in the passage of sperm through the urethra.

5. Urethra
The urethra is a tube that serves as a common pathway for both urine and semen. In males, it runs through the penis and opens at the external urethral orifice. During ejaculation, sperm cells travel through the urethra and are expelled from the body along with semen. The urethra also carries urine from the urinary bladder during urination.

Conclusion
In summary, the passage of sperms in the male reproductive system involves the testes, epididymis, vas deferens, seminal vesicles, prostate gland, bulbourethral glands, and the urethra. The urethra acts as the final pathway for sperm cells to exit the body during ejaculation. Understanding the anatomy and function of these structures is essential for comprehending the male reproductive process.