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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How many kidneys does a person normally have?
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one
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two
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three
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four
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Explanation:
Detailed explanation-1: -Most people have two kidneys, which are organs shaped like kidney beans, each one about 10-15cms long, located either side of the spine, deep in the abdomen.
Detailed explanation-2: -The prevalence of supernumerary kidneys can be estimated to be 1:26750 with CT imaging. Supernumerary kidneys have been found more frequently located caudal than cranial to the ipsilateral kidney, and more often on the right than on the left side.
Detailed explanation-3: -It is not completely understood why we have two kidneys, but theories include: There is extra reserve of kidney mass in case of injury to a kidney.
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