Question

answer is opt A. Explain it plz!! ​

Answer 1

Answer:

Dead space is the volume occupied by the gas which does not participate in gas exchange in the lungs.

Explanation:

In old man, there is low supply of blood to lungs and hence, they have high dead space. Thus the correct answer is old man

Answer 2

Answer:

Here u go...

In old man, there is low supply of blood to lungs than woman and hence, they have high dead space. Low supply of blood leads to carrying of less air (oxygen). So as increase in dead space.

Hope this helps u..