Q87 of 367 Page 75

The excretory unit in the human excretory system is called:

The functional unit of human excretory system is nephrons. Urine formation takes place in nephrons of kidneys.

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The blood vessel which carries oxygenated blood from the lungs to the heart is :

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The instrument for measuring blood pressure is called :

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The substance which is not reabsorbed into the blood capillaries surrounding the tubule of a nephron is mainly :

 89

The procedure of cleaning the blood of a person by using a kidney machine is known as: