When we breathe out , _______ leaves our body.

Inside the lungs there are lots of little sacks called.......

Here, oxygen passes into the blood and carbon dioxide leaves the blood.

They are two tubes .Oxygen enters the lungs through _________

When we ........................ oxygen goes down the windpipe

When we breathe in , oxygen enters the body through our mouth or ............

Another form of COPD which is a serious respiratory disease

The inflammation or swelling of the breathing passages caused by viral lung infections

An infection of the lungs that can range from mild to severe

a contagious infection of the upper respiratory tract and the result of viral infection rhinovirus

A disease caused by bacteria called mycobacterium tuberculosis

A communicable disease and contiguous illness

a condition in which your airways narrow and swell

Can be triggered by long-term exposure to carcinogens

It is also called as the voice box

It covers larynx during swallowing

It is the skeletal muscle of respiration

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