Because you have a stuffy nose when you get a cold.
The upper respiratory tract is swollen because of inflammation of the tissues as a response to attack by the cold virus.
when i have a cold, it is hard for me to breathe. i don't have much energy. why do you think this happen
It is hard to breathe when you laugh out loud because you used most of you breathe to laugh as hard as you did. Try to get someone to make you laugh. Then see how long it takes you to catch your breathe...
because its hard to breathe thin air above earths surface, the higher you go its hard to breathe oxygen.
It is very hard to breathe underwater without assistance from an air tank.
When someone have cold then he is not able to get enough oxygen to his lungs so that's why its difficult to breathe
i take in air and bring out carbodioxide
you would choke and find it hard to breathe.
Because your body warms the air as you breathe in - the air retains heat as you exhale.
because the air is thinner the higher the altitude is.
Hard to take in air
because you get really nervous and you kind of just breathe hard or blush it happens to everyone
It is difficult for them to breathe because of the high elevation