If thorax is injured and pleura damaged, the air enter the pleural catity and the lungs are collapsed. This condition is knonw as

In heavy smokers the Alveoli of the lungs are enlarged and damaged which reduces the surface area for the exchange of respiratory gases. This condition is called

Air enters into the lungs through the

Air enters into the lungs through the

In heavy smoker the alveoli of the lungs are enlarged and damaged which reduces the surface area of the exchange of respiratory gases this condition is called

In heavy smoker the alveoli of the lungs are enlarged and damaged which reduces the surface area of the exchange of respiratory gases this condition is called

In heavy smoker the alveoli of the lungs are enlarged and damaged which reduces the surface area of the exchange of respiratory gases this condition is called

In heavy smoker the alveoli of the lungs are enlarged and damaged which reduces the surface area of the exchange of respiratory gases this condition is called 1. asthma 2. silicosis 3. insomnia 4. emphysema

The amount of air that enters lungs during normal respiration is

The amount of air that enters lungs during normal respiration is :