A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
17
Cockroaches can live for 9 days after their head has been cut off.
140
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
Australian Graham Barker has been collecting his own belly button fluff every day since 1984 - keeping it in storage jars.
15
Cymothoa exigua is a type of parasite that enters through fish's gills, eats their tongue, and then replaces it.
6
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Most of the dust underneath your bed is actually your own dead skin.
251