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.
I would not suggest it. Anything can happen on a boat.
Heridity is something you get from your parents and they got from theirs etc their like genes and to take care of heredity like eye sight problems you wear glasses or for sensitive skin you purchase sensitive skin products like shampoo etc
For every action there is an opposite and equal reaction
Every object not in motion stays that way unless acted upon. Any object in motion will stay at the same speed unless acted upon
The force acting on an object is equal to the mass of that object times its acceleration
