+91-8076753736[email protected]
logo
logo
-->

Breathing And Exchange Of Gases

Question
CBSEENBI11025156
Wired Faculty App

Asthma is caused due to :

  • infection of lungs

  • infection of trachea

  • bleeding into pleural cavity

  • spasm in bronchial muscles

Solution

D.

spasm in bronchial muscles

Asthma is a respiratory disorder due to spasm in bronchial muscles. The symptoms could be precipitated by inhalation of allergens or pollutants, infection, cold air, vigorous exercise or emotional stress.

Some More Questions From Breathing and Exchange of Gases Chapter

Carbon dioxide is carried by haemoglobin as ?

How many times does a haelthy human respire in a minute ?

Excessive smoking leads to which disease ?

The inflammation of bronchi and bronchioles that causes wheezing and difficulty in breathing is called as?

What are the bag like structures present at the terminal of bronchioles called  ?

After vigorous exercise man gets fatigued, why ?

What is the function of pneumotaxic centre?

Trachea divided at which thoracic vertebra?

What is the funtion of pleural fluid?

Name the enzyme which acts on carbonic acid in living cells. 

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation