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:
1. you don’t want to be cut off from the world at all times. and even if you think someone else isn’t as clean as you’d like then you can take precautions and wash your hands after interacting.
Answer:
If a kid was coughing excessively, choking, or being bullied. I hope this answered your question.
Explanation:
I need points
Your blood tempture colds down
The second statement best explains the type of blood vessel and the function of these vessels' valves - <span>These are veins, which prevent the backflow of blood because the walls have little muscle to pump blood back to the heart.
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Veins are large blood vessels which carry blood back to the heart. <span>Veins have a system of valves to prevent back-flow.</span>
