Excretory System
Excretory System: Overview
This topic covers concepts, such as, Effect of Evaporation, Human Excretory System, Skin as an Excretory Organ & Sweat etc.
Important Questions on Excretory System
Artificial kidney is used for _____ of blood.

Machine used when the kidney is damaged.

How kidney can get damaged?

Dialysis is used when _____ is damaged.

Dialysis machines act as an artificial kidneys.

Name the organs that clean the blood.

How is sweat useful for the body?

When do you sweat more?

What will happen if evaporation does not take place in plants?

The process of loss of water from the leaves is called _____.

In plants, the water is lost as vapor through stomata from the leaves.

Explain the effect of evaporation in plants.

Find odd one out from the following:
Heart, liver, kidneys, skin, lungs

Write 'true' or 'false'. If false, write the correct statement.
Kidney stones occur only in the kidneys.

In summers, we see white patches on our clothes in areas such as underarms. Why?

We sweat more in summer. Find the reason.

Rank the following as cell, tissues, organ, organism-
Kidney

The _____ are the major excretory organs of the body.

How are urea and uric acid formed?

Mention the excretory products expelled/processed by the lungs, skin and liver.
