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.
 
        
             
        
        
        
Answer:
Resistance because you will get tested on everything I think this will be the most important one yet.
Explanation:
 
        
             
        
        
        
If you live near a neighborhood that has lots of trees it can help with air so you can breath so it is healthy and your environment has trees
        
             
        
        
        
Usually things overloading your life