Worms are the simplest organisms that have a Nervous system , which is made up of a knot of nerve tissue found in the Brain . Worms also have organs that provide information about the environment, such as light, touch, or vibration.

What exactly is the question?

Ans. : frostbite is when exposure to cold temperatures causes freezing to the skin or other tissues. it most commonly affects the hands, feet, and face. the longer areas are exposed to cold, typically the worse the frostbite. the water temperature used for rewarming a frostbitten part should be : (102 -105) f degrees.

What are the options? physical property can be color, smell, opacity, viscosity, density, infra red spectrum, melting and boiling points, attraction and repulson to magnets, etc.