The sea cucumber ejects its respiratory organs through its anus when threatened — then regenerates them.
Fact #9658
👍 0 · 👎 0
More Human Body Facts
The human spine consists of 33 vertebrae.
Fact #192 · Human Body
The Earth completes one full rotation approximately every 24 hours.
Fact #153 · Human Body
The steam engine powered early industrial machinery.
Fact #1544 · Human Body
Stem cell research explores regenerative medicine.
Fact #1218 · Human Body
The longest winning streak in professional sports can span years.
Fact #940 · Human Body
Insulin was first used to treat diabetes in the early 1920s.
Fact #1189 · Human Body
In 2001, a Norwegian man survived a fall through ice by floating in near-freezing water.
Fact #800 · Human Body
A polar bear's fur is actually transparent.
Fact #391 · Human Body
Want more facts?
We have over 11,491 facts across 16 categories.