It takes 17 muscles to smile but 43 muscles to frown.
Fact #10440
👍 0 · 👎 0
More Human Body Facts
There are signals traveling through your nervous system right now at speeds over 200 miles per hour.
Fact #2497 · Human Body
Humans can adapt to high altitudes over time.
Fact #3079 · Human Body
The small intestine is about 20 feet long despite being called 'small' — the name refers to its width.
Fact #3499 · Human Body
The human nose can distinguish over one trillion different scents.
Fact #3508 · Human Body
Humans are the only animals with chins — no other primate or mammal has one.
Fact #3502 · Human Body
The brain consumes a significant portion of the body's energy.
Fact #967 · Human Body
About 8% of people have an extra rib.
Fact #2770 · Human Body
Fingernails grow about three to four times faster than toenails.
Fact #3496 · Human Body
Want more facts?
We have over 11,491 facts across 15 categories.