00:01
Hello students, in this question it is talking about respiratory system, the mechanism of movement of gases that is oxygen and carbon dioxide through the respiratory system.
00:15
In the first question it is asking about the movement pathway of oxygen.
00:26
We are given the names of the different parts of the lungs and asked how do the oxygen moves inside the lungs.
00:34
It will be trachea, as you can see in this picture, trachea to left main bronchus, left segmental bronchus.
00:55
After trachea there is main bronchus and after that there is segmental bronchus.
01:02
In the next part of the question it is saying that, it is a true or false statement saying that if there are two lobar bronchi in the right lung.
01:27
In this diagram you can see that there is an upper lobe and a lower lobe.
01:36
That means this statement is true.
01:41
In the next part of the question it is saying that what will happen to the thoracic volume if there is increase in intrapulmonary pressure...