Question

How do kidney work in human body ?

Answer 1

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A mechanism to filter the blood is required. This is done by the blood capillaries in the kidneys. When the blood reaches the two kidneys, it contains both useful and harmful substances.

From the kidneys, the urine goes into the urinary bladder through tube likes ureters. It is stored in the bladder and is passed out through the urinary opening at the end of a muscular tube urethra.
The kidneys, ureters, bladder and urethra from the excretory system.



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