In the human brain, 100 billion nerve cells, also called neurons, communicate with each other. A neuron exists of a cell body and many extensions, named dendrites. There is also one longer extension, the axon. Electrical stimuli are received by the dendrites and transmitted to the cell bodies. The axons send them further to other neurons.
The Velvet worm can eject a fluid hunting slime that forms an entangling net to trap prey. After catching the prey the ejected adhesive is returned to the water and the fibers totally dissolve and newly regenerated fibers can be drawn from the dissolved fiber solution. So it is a liquid water-soluble superglue, isn`t that amazing?