Squids move through the ocean using a jet of water forced out of the body by a siphon.

Humans are born with 300 bones in their body, however when a person reaches adulthood they only have 206 bones. This occurs because many of them join together to make a single bone.

The size of a raindrop is around 0.5 mm - 2.5 mm, and they fall from the sky on average 21 feet per second.

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