Thirst kicks in only after the body is already 1–2% dehydrated.
Fact #4142
👍 0 · 👎 0
More Human Body Facts
The use of defibrillators can restore normal heart rhythm.
Fact #1227 · Human Body
Polar bears have a thick layer of fat to retain body heat.
Fact #867 · Human Body
Operation Mongoose aimed to destabilize Cuba in the early 1960s.
Fact #1069 · Human Body
A polar bear’s sense of smell is extremely powerful.
Fact #486 · Human Body
The Earth's interior is layered into crust, mantle, and core.
Fact #338 · Human Body
The human body has over 600 muscles.
Fact #160 · Human Body
The Ice Age ended about 11,700 years ago.
Fact #698 · Human Body
Some animals can regenerate entire body parts.
Fact #1743 · Human Body
Want more facts?
We have over 11,491 facts across 16 categories.