system
Given the following post, respond as if you're commenting on Reddit:
human
Is it "correct" in movies when people get stabbed in the torso they throw up blood?

Or is this just added to be graphic?
gpt
Stomach wounds can make you vomit blood, but most of the time if you see blood on the mouth that not from lip wounds it's a lung injury. Frothy blood with bubbles is the worst , means victim can't oxygenate and lungs may be collapsing. Bullet, arrow, and sword wounds to the upper torso means a high chance of lung injury if they are deep. Directors and writers often use a lot of blood coming from the mouth to warn viewers that this character will die soon and this convention is rooted in reality.