autumn_rain@lemmy.worldtoAsklemmy@lemmy.ml•Do you often hear the ringing of switching power supplies and devices when you are in a quiet space?English
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8 months agoI’m 56, wear earplugs at night, and still hear an intermittent electrical noise. It’s not a high-pitched whine, more like a low hum. I live in an apartment complex so it’s likely the wiring. I have hyperacusis.
The finger-like projections are called villi, and they are in the small intestine. They help by absorbing nutrients into the blood.