If the blow is hard enough, it could crack or break some ribs. Or worse, if the blow lands on the sternum, it could even stop the heart. There was a few ago, a small child who tried to catch a softball that was tossed to him. It missed his glove and struck him in the chest stopping his heart. I recall hearing about it on the news long ago.
could kill the kitten, broken back.
Our chest will expand.
chest compressions
Every thing could go wrong and someone can get hurt?
Yes, you can hear someone's heartbeat when you place your ear on their chest.
if they have ectopia(heart is out of chest cavity)
The "opening of the chest" in an event context often symbolizes the unveiling of new beginnings, opportunities, or ventures. In grand opening ceremonies, such symbolic acts (like ribbon cutting, unveiling a product, or opening a decorative chest) are used to mark a fresh start and draw public attention. They help create a memorable moment and are often planned as part of a well-thought-out event strategy.
Bad dream
You will die.
One of the fastest ways for someone to remove their chest hair is to have their chest waxed or either to wax their chest themselves. Chest hair removal can be quite painful.
See if the chest rises and falls.
It depends on both.