URINARY SYSTEM AND MALE FEMALE REPRODUCTIVE SYSTEMS
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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waste products combined with water
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millions of these are in each kidney to filter unwanted materials from blood
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external opening of the urethra where urine exits the body
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None of the above
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Detailed explanation-1: -The urine consists of 95% water, 2.5 % urea and 2.5% other waste products. Urea is the major excretory product in humans. Extra salts are removed along with water as sweat.
Detailed explanation-2: -urea, a waste product that forms when proteins are broken down. urochrome, a pigmented blood product that gives urine its yellowish color. salts. creatinine, a waste product that forms with the normal breakdown of muscle.
Detailed explanation-3: -Four waste products dissolved in the urine. urea, uric acid, creatinine, mineral salts.
Detailed explanation-4: -The bean-shaped kidneys filter waste products out of the bloodstream and dispose of them by creating urine. Urine is made of these waste products dissolved in water.