LESSON 8
THE HUMAN UROGENITAL SYSTEMS
Section I. THE HUMAN URINARY SYSTEM
8-1. DEFINITION
The human urogenital systems are made up of the urinary organs, which pro-
duce the fluid called urine, and the genital, or reproductive, organs of male and female
humans, which together can produce a new human being.
8-2. INTRODUCTION TO THE HUMAN URINARY SYSTEM
a. Proteins are one of the basic foodstuffs that humans consume. When
proteins are used by the body, there are residue or waste products which can be
poisonous (toxic) if allowed to accumulate in large amounts. The urinary system of the
human body is specialized to remove these nitrogenous waste products from the circu-
lating blood.
b. Major Parts. See figure 8-1 for the major parts of the human urinary system.
This system includes two kidneys, two ureters (one connecting each kidney to the
urinary bladder), the urinary bladder, and the urethra.
Figure 8-1. The human urinary system.
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8-2
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