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The Respiratory System

The system which supplies oxygen to our Nose

body is called the respiratory system. The
Wind Pipe
nose, the windpipe or the trachea and the

lungs form the respiratory system. The lungs

take in oxygen and give out carbon dioxide.
Lungs
The respiratory system supplies oxygen to all
parts of our body. Respiratory System

The lungs take in the oxygen and send it to different parts of the body

through the blood. Our body uses the oxygen from the blood and releases

carbon dioxide.

The Digestive System
Mouth
Our body does not use the food we eat in
its natural, complex form. It is broken down Food Pipe

into simple substances that can be used by

our body to get energy through the digestive
system. This process is known as digestion.

The digestive system is made up of several

organs, including the mouth, food pipe,

stomach, small intestine, large intestine, Small

rectum and anus. Intestine
Large
Intestine

Did You The small intestine is narrower than the Rectum
Know? large intestine, but it is longer than the Anus

large intestine and measures about 7 Digestive System
meters in length.

The food we eat through our mouth travels down the food pipe to the
stomach. The food in the stomach is mixed with digestive juices and remains

there for a few hours.

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