The Genitourinary System Keeper Of Our Urine And

System 9

System 9

Organ System 9

Organ System 9

The final organ system for our review is the genitourinary (JEN-ih-toh-ur-ih-nair-ee) or urogenital (UR-oh-jen-ih-tal) system. These alternate names reflect the fact that this system really represents the combination of two others.

The urinary (UR-ih-nair-ee) system, of course, is the organ system responsible for the production and excretion of urine. It also assists in maintaining both body salt-and-water balance, as well as acid-base balance.

The genital (JEN-ih-tal) system is alternately known as the reproductive (ree-proh-DUCK-tiv) system. The term, genital, "refers to begetting or producing.'' In general, this is the job of the genital organs in both males and females. The genital organs, such as the penis (PEA-nis) in males and the vagina (vah-JIE-nuh) in females, are used to "beget or produce'' new children, sexually. This is where the term, reproductive, comes into play. The reproductive system in the male and female serves to "produce" new human organisms "again" (re-).

''Okay,'' you may now be wondering, "but why are the reproductive and urinary systems classified together as a single genitourinary (urogenital) system?'' The reason is that many portions of these two systems occur together within the same organs! The penis, for instance, functions to both excrete urine (making it a urinary organ) and release sperm cells (making it a genital or reproductive organ). Hence, the penis is properly characterized as neither a purely urinary organ, nor a purely genital or reproductive one. Rather, it is a genitourinary (urogenital) organ. Organ

System 10

System 10

GENITOURINARY (UROGENITAL) SYSTEM

GENITAL OR + URINARY

REPRODUCTIVE ORGANS ORGANS

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