Why might someone who has a heart defect, such as
weak heart valves or a small hole in the heart wall,
become breathless after climbing a long flight of
stairs? Explain.


Sagot :

Answer:

becuase blood controls the whole body pretty much and if you have heart issues you might have high or low blood pressure

Explanation:

so it might make them out of breath becuase there not working as fast or over doing it