Nerves - transmit impulse of sensation to brain or spinal cord, then to muscles and organs
But sex
yes they spread
very deadly
no
The cells of the fish might swell and burst and then die.... i think
This causes light of different colors to be refracted differently and to leave the prism<span> at different angles, creating an effect similar to a rainbow. This can be used to separate a beam of white light into its constituent spectrum of colors.</span>
