Question

How is waste removed from the body of humans?

Answer 1

Removal of waste products from the body is known as excretion.

Main organs involved in excretion are

• Lungs
• Kidneys
• Skin

Excess carbon dioxide is removed from the body through the lungs.

Excess urea, water and salts are removed by the kidneys and leave the body as urine.

Excess water and salts also leave the body through the skin as sweat.