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excretory and reproductive
The kidney creates urine. It is transported afterwards through the ureter, bladder and urethra.
The external male genitalia are the penis and the scrotum, which contains two testicles.The internal male genitalia includes the remaining structures of the male reproductive system.
Urinating and Ejaculating
In a normal healthy male, the only two products that pass through the urethra are urine and semen.In times of disease however, other products that may also be passed through the urethra are pus and blood.
There isnt any reproductive function of tbe urethra
In case of Male Excretory and Reproductive systems are combined by Nature.In Excretory system, you have two Kidneys, two Ureters,(Not Urethra.)and one urinary bladder for to store urine.From Urinary bladder, you have what is called as Urethra, for passage of urine.All these structures are common to both males and females.In case of females length of Urethra is very short. It makes them difficult to hold urine for longer duration of time.(Simple Physics.)In case of males reproductive system is also attached to Excretory system. Sperms are produced in two Testes. They travel a very long journey. (More than 12 meters.)From Epididymis, you have Vas Differns travelling through inguinal canal and then joining the Urethra, which is surrounded by Prostate Gland. (There are two Seminal Vesicles are attached to Urethra. They provide bulk to Semen,60 %, during ejaculation.)Prostate gland(Which contribute 30 % in Semen.) encloses about 4 to 5 cm of urethra.Then, you have about 1.5 cm of Membranous part of Urethra.(Bulbourethral gland is attached to this part of Urethra.) Then starts Penile Urethra. which is about 15 cm long.( In total about 20 cm long.) So Male Urethra performs two functions. 1)Passage of urine from urinary Bladder.2)Passage of semen during ejaculation.
The pancreas is involved in the digestive and the encrodine systems.
There is one in each ear, as well as the two nostrils. There is also the mouth, urethra, and anus. This makes for a total of seven.
heart brain
The nervous and endocrine system.
The nervous system and the endocrine system are the two major regulatory systems in the body.