Peneit testes

Classified in Biology

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The reproductive system
Two models, male and female. Formed by gonads 
Gonads: a series of ducts and glands that precipitate in the sexual act as well as in the development of the embryo
Male reproductive system
Formed by: the testicles, penis, reproductive tract and the male accessory glands.
Testicles:
Produce male gametes or spermatozoids. They are constituted by seminiferous tubes. Scrotum is the layer that cover them.
The reproductive tract:
Are ducts that collect the sprmatozoids  and carry them to the exterior
Consist on:
Epididymiswhere spermatozoids mature
Ductus deferens to store spermatozoids
Urethra his end is located inside the penis connect the bladder to the exterior.
The penis:
Male copulatory organ, formed by 2 spongy tissues, corpora cavernosa that is located on top of the urethra and corpus spongiousum that widens at its end forming the glans penis. This is covered with a skin known as foreskin.
Accessory glands:
Secrete substances that mix with sperm produced in the testes. They form semen or facilitate penetration during intercourse these glands are:
Seminal vesicles: located inside the bladder and secrete spermatic fluid containing glucose.
Prostate: located below the urinary bladder, secretes prostatic fluid wich consist of substances  to protect sperm from the acidity of the vagina.
Cowpper glands: locatet at the base of the penis, secrete a lubricating fluid that facilitates intercourse.
Semen is the substance that contains spermatozoids.
Diseases:
Hepatitis B: caused by HBV virus, causes fatigue, fever, can cause serious liver damage and cancer.
Genital herpes: caused by the VHS virus, painful blisters on the genitals and sometimes periodically recurring chronic infections.


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