Page 9 - GK Class 03

5 Facts about Human Organs

Human body is a divine computer. It is made up of many internal and

external organs. These organs work together to perform some
particular activities.

Tick (3) the correct statements and cross (7) the wrong ones.

A. LUNGS B. BRAIN

1. Our lungs help us in breathing. 1. Our brain uses 20% of our

body’s energy.
2. Lungs are muscular bags
having air sacs in them. 2. Humans have the most
complex brain among all the
3. About 1 litre of air always stays
animals on the Earth.
in the lungs, no matter how
hard we breathe out. 3. Brain controls all our organs.

C. HEART

1. The human heart weighs This Corner
less than a pound. The human body is made up of
approximately 60% water, the
2. It pumps blood in our
brain is 75% water and our
body.
blood is 83% water.
3. Normally, our heart beats

72 times a minute.

D. LIVER E. KIDNEYS

1. Liver is the smallest internal 1. Kidneys are bean–shaped
organ. organs.

2. The liver filters over a litre of 2. Each kidney is about 4 to 6

blood each minute. ounces.

3. The liver takes part in 3. Kidneys are very important
nervous system. part of excretory system.

GK-3 9