When we exhale
The common treatment for 'asthma' is
Due to the contraction of bronchi it is difficult to
A human body removes most of the water through
The most dangerous disease of respiratory system is
The contraction of bronchi causes
The scientific name for flu is
'Nicotine' is a drug which causes
The respiration that involves the presence of oxygen is known as
The number of chemicals found in a cigarette is
Tar is a chemical in a cigarette that causes
Due to carbon monoxide in cigarette, smoker feels
The 'air' that we breath, turns moist, by
Preventive measure for flu is
Flu is caused by
Hair in nostrils help to
Cold is caused by
The main cause of 'asthma' is
The 'air' is made warm by
The respiration that does not involve the presence of oxygen is known as
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