Biology
Grade-6
Easy

Question

Filtration of blood is the function of

  1. Lungs
  2. Small intestine
  3. Kidney
  4. Heart

hintHint:

The filtration of blood is the process of removal of waste substances from the body.

The correct answer is: Kidney


    • Kidneys perform the function of filtration of blood. 
    • Filtration of blood refers to the removal of waste material from the body. This process is also known as excretion and the system involved here, is the excretory system. 
    • The excretory system comprises the kidneys, ureter, urinary bladder, and urethra. The kidneys here are the main organ of this system that are responsible for the removal of waste matter like urea, nitrogen metabolites, etc. from the body. They also remove excess water and thus perform the function of filtration of blood.

    Kidneys make urine through the process of excretion which is excreted out from the body.

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