Question

Q.1 , Why is the excretory system important to the human body ?
Q.2 , How big are the kidneys and where are they located ?

Answer 1

D ear Student,

1) The excretory system is important to the human body because of following reasons:

• Excretory system removes the metabolic wastes from the body.
• Excretory system also functions to retain salts and from other substances from the body.
• Excretory system also makes up the chemical composition of blood.

2) The adult human kidney is measured about 10-13 cm long, 5-7.5 cm wide and 2-2.5 cm thick. They are located at the back of the upper abdominal area on the both sides of the body (left and right).

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