Question

How does excretion occur in human beings?​

Answer 1

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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.

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Answer 2

Answer:

The removal of waste products from the body is known as excretion. ... In human beings, excretion is performed by the excretory system consisting of a pair of kidneys, a pair of ureters, a urinary bladder and urethra. The urine is formed in kidneys and passes on to the urinary bladder via the ureters.