As far as i’m aware all schools/professors/teachers check for plagiarism especially on essays. Plagiarism is illegal and can get you kicked out of school so be careful.
Answer:
Mitral stenosis causes reduced blood flow through the narrowed valve opening from the left atrium to the left ventricle. As a result, the volume of blood bringing oxygen from the lungs is reduced. This can make you feel tired and short of breath.
Explanation: