Which of the following is not the function of conducting part of respiratory system?

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Which of the following factors are favourable for the formation of oxyhaemoglobin in alveoli?

Match List I with List II :
Choose the correct answer from the options given below:

The figure shows a diagrammatic view of human respiratory system with labels A, B, C and D. Select the option which gives correct identification and main function and/or characteristic:

Lungs are made up of air-filled sacs the alveoli. They do not collapse even after forceful expiration, because of :

Name the pulmonary disease in which alveolar surface area involved in gas exchange is drastically reduced due to damage in the alveolar walls.

Asthma may be attributed to:

Due to increasing air-borne allergens and pollutants, many people in urban areas are
suffering from respiratory disorder causing wheezing due to

Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL,
respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?

Match the following columns and select the correct option :