What really happens when you get a fever? #anatomy #facts #humanbody

Added: 2026-05-22

[00:00:00]What really happens when you get a fever?

[00:00:02]Your immune [music] system detects an infection, so your brain raises your body temperature. The extra heat [music] helps slow down harmful microbes. Then your body tries cooling itself down.

[00:00:15]>> [music] >> A fever is actually part of your body's defense system.