HISTOLOGY
URINARY SYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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it is mostly water
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it is mostly urea
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it is mostly salt
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it is mostly poison
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Detailed explanation-1: -Urine contains: water. urea, a waste product that forms when proteins are broken down. urochrome, a pigmented blood product that gives urine its yellowish color.
Detailed explanation-2: -Urine is about 95% water and 5% waste products. Nitrogenous wastes excreted in urine include urea, creatinine, ammonia, and uric acid. Ions such as sodium, potassium, hydrogen, and calcium are also excreted. Urine produced in the kidneys travels down the ureters into the urinary bladder.
Detailed explanation-3: -Kidneys use water to filter toxins out of the body, but when the kidney has used as much as it needs; it gets rid of the rest through urine. This method of releasing water is incredibly useful to learn about levels of hydration, which can be discerned from the color of the urine.