Answer:
Option-B
Explanation:
In the given question, the condition of the person is mentioned which says that he felt breathless while walking and later while lying down.
The most probable reason for the condition in the give question is that this condition is the result of the failure of the left side of the heart as the left side of the heart that is right atrium receives the oxygenated blood from the lungs and then left ventricle pump the blood to the body.
Since the person is not able to breathe therefore the volume of the lungs is occupied by something in the given case is blood due to the failure of the left heart.
Thus, Option-B is the correct answer.
Generally, dogs have many similarities with the human race, as we both are vulnerable to same diseases, etc. but we don’t necessarily need everything a dog needs. Although it seems we are very alike in a way, we are actually different in some. Such as: dogs have very sharp instincts, like smell, navigation, detecting illness among humans, and able to see their own farts. Idk a lot, and i suggest you look it up on a credible site. :)
