system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: If a bubble in the bloodstream can easily kill you, how come we don't risk death everytime we accidentally cut ourselves?
gpt
It takes a quite a bit of air to cause an air embolism. Your body will absorb smaller amounts. There is a test called a bubble echo where they actually inject small air bubbles and watch them with ultrasound.