Examlex
Which of the following is the SI unit of radiation activity?
Nitrogenous Wastes
Waste products containing nitrogen, such as urea and ammonia, excreted by living organisms.
Nephrons
The basic structural and functional units of the kidney, responsible for filtering blood and creating urine.
Kidney
An organ in vertebrates responsible for filtering waste products from the blood and excreting them in urine, as well as maintaining electrolyte balance.
Ureter
A tube that carries urine from the kidney to the bladder.
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