The male reproductive system in humans is responsible for producing and transporting sperm cells, delivering them to the female reproductive tract during sexual intercourse. Its primary components include the testes, epididymis, vas deferens, ejaculatory ducts, seminal vesicles, prostate, penis, and urethra. The testes are responsible for producing sperm, and the epididymis is responsible for storing the sperm for maturation. The vas deferens moves the sperm from the epididymis to the ejaculatory ducts, where they are mixed with fluids from the seminal vesicles and prostate. This mixture of fluids and sperm becomes the semen, which is ejaculated through the penis. The urethra is responsible for transporting urine out of the body.

THE MAIL REPRODUCTIVE SYSTEM is located in the *pelvis region* in which carried out the internal parts that includes are a pair of testes with the some accessory ducts, glands and some external genitalia or parts.

*EXTERNAL PART OF MALE REPRODUCTIVE SYSTEM*

1. {TESTIS}
-- Testes are situated outside the abdominal cavity.
-- It is present within pouch like structure called is *scrotum*
-- In adult testis is in oval shaped with have a length of about 4 to 5 cm and width of about 2 to 3 cm.
-- In the case of each testis covered by dense covering layer which is called a *tunica albuginea*.
-- East testis contain about 250 compartments called *testicular lobules*
-- in which each lobule contain one or more seminiferous tubules that responsible for the sperm formation.
-- Each seminiferous tubules is line by on its inside two types of cells called *male germ cell(spermatogonia)* and *sertoli cell*.
-- MALE GERM CELL undergo meiotic division and finally lead to the formation of sperm.
SERTOLI CELL provide the nutritions to the germ cells for the production of spermatozoa or sperm.
-- outside the region of seminiferous tubule called interstitial space that contain small blood vessels and *interstitial cells or leydig cells*.
LEYDIG CELL — Synthesis and secretion of testicular hormones called androgens, which are responsible for many physiological activities in men.

2. {SCROTUM}
-- scrotum helps to maintain the lower temperature of the testis as about 2-2.5 C lower than the normal internal body temperature which is necessary for the formation of spermatogenesis as sperm formation.
-- scrotum protect the testis from several activities.

3. {PENIS}
-- It is the male external genitalia.
-- made up of specialized tissues.
-- help in erection of penis to facilitate insemination by ejaculating to release the sperm.
-- at end site of penis attach with enlarge part called glans penis.
-- glans penis is covered by loose layer of fold skin called foreskin.

*INTERNAL PART OF MALE REPRODUCTIVE SYSTEM*

1. {ACCESSORY DUCT}
-- they include some internal parts are Rete testis, vas deference, vasa efferentia, epididymis.
-- the seminiferous tubules of testis opens into the vasa efferentia through rete testis.
-- vasa efferentia leave the testis and open into epididymis located along the posterior surface of each testis.
-- epididymis lead to the vas deferens that ascend to the abdomen and attach with the urinary bladder.
and it is a tube like structure has to the sperm for the passage through them.
-- it Received a duct from seminal vesicle and opens into urethra as a ejaculatory duct.

2. {ACCESSORY GLAND}
#Seminal vesicle#, #Bulbourethral glands#, #Prostate gland# these glands secret fluids constitute the seminal plasma which is rich in fructose, calcium and certain enzyme to help the sperm for the lubrication and mobility gonaa in female tract.

The Male Reproductive System



Testes
- The male reproductive system consists of two testes located outside the body in the scrotum.
- Testes produce sperm and testosterone, the primary male sex hormone.



Epididymis
- Sperm from the testes travel to the epididymis for maturation and storage.
- This coiled tube is located on the back of each testicle.



Vas Deferens
- The vas deferens carries mature sperm from the epididymis to the urethra during ejaculation.
- It is a long tube that connects the epididymis to the urethra.



Seminal Vesicles and Prostate Gland
- These glands produce seminal fluid which mixes with sperm to form semen.
- Semen provides nourishment and protection for sperm.



Urethra
- The urethra serves as a passageway for both urine and semen.
- During ejaculation, semen is released through the urethra.



Penis
- The penis is the male external organ used for sexual intercourse.
- It contains erectile tissue that becomes engorged with blood during arousal.



Accessory Glands
- The bulbourethral glands produce a clear fluid that cleanses the urethra before ejaculation.
- These glands contribute to the volume of semen.



Conclusion
The male reproductive system is intricate and vital for the production and delivery of sperm for fertilization. It works in conjunction with hormones and other bodily systems to maintain reproductive health and function.