system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5: Why is it more difficult to inhale when a force of wind or cold air is hitting your face?
gpt
Mammalian Dive Reflex. It's a reflex that keeps us from accidentally breathing in while underwater, but cold air or wind can sometimes imitate the sensation of water well enough that it triggers the reflex, making it difficult to inhale.