system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5 in movies when someone get shot in the chest, but yet blood comes out of their mouth is that realistic of so how does that happen?

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gpt
If they were shot in the lungs then the lung would fill with blood and blood would come up with every breath, however in movies its used as a symbol that this person is going to die in a minute but they might be able to get a few words out to advance the movie plot.