Marchantia male

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.
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.
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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