Respuesta :

pranit3126

Answer:

Humans have two kidneys and each kidney is supplied with blood from the renal artery. The kidneys remove from the blood the nitrogenous wastes such as urea, as well as salts and excess water, and excrete them in the form of urine. This is done with the help of millions of nephrons present in the kidney.

Explanation:

callbloodshot

Answer:

excreation is the process of removal of toxic substances out of the body. it happens from skin,urethra and anus

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