When the brain receives the message that the environment around the body is very cold, the temperature signal begins in neurons of the somatic nervous system. sensory nervous system. autonomic nervous system. central nervous system.

The answer is sensory nervous system. A sensory nervous system is part of a nervous system that is responsible in sensory information process. It is consist of the sensory receptors, the neural pathways and some parts of the brain involve in the sensory perception.