regeneration, n.Trivia

Crocodiles continually grow new sets of teeth to replace old ones

Some starfish can regenerate their entire body from a single arm, some can do so from just 1cm (0.4in) long and in some species of starfish, a large female can split in half, each half becoming male which changes back into female

Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.

The scent of freshly-mowed grass is the lawn actually trying to save itself from injury by releasing a number of volatile organic compounds.

Earthworms can replace lost segments, even, in some circumstances, the head

Cells are replaced in the body at the rate of one billion per hour

When a decapitated flatworm regrows its head, its old memories come back.

The jellyfish is able to clone itself

DNA is constantly damaged and constantly repaired --- DNA in every human cell gets damaged over 100 times a day but our body is able to repair these with complex mechanisms

The liver is the only human internal organ capable of natural regeneration of lost tissue; as little as 25% of a liver can regenerate into a whole liver.

Crabs can grow back lost claws and legs

Crabs are able to regenerate their legs and claws to 95% of their original size.

Atoms are in constant flux in the human body --- every year over 98% of atoms in your body are replaced

Alligators can go through 3,000 teeth in a lifetime

Snails can regenerate their eyes.

if a pregnant woman has organ damage, the baby in her womb sends stem cells to help repair the organ.