What is hillus?what is the role in excreatory system
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The hilus is the point of entry and exit of the renal arteries and veins, lymphatic vessels, nerves, and the enlarged upper extension of the ureters.
the role of excretory system
Eliminating waste products such as urea, uric acid ammonia, and other chemical products through urine.
And it also helps in the metabolism of those drugs that do not get metabolized in the liver (some of the medicines do not get fully utilised are also removed through urine)
Collect water and filter body fluids.
return other substances to body fluids as necessary for homeostasis.
(some of the essential elements also come inside the excretory system which are reabsorbed )
Hope it helps you
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