"You are in your room listening to music and, realize you are thirsty, you can feel that your soda is no longer cold, and you decide to invite a friend over. What parts of the central nervous system would be primarily involved in each of these italicized behaviors?"

A central nervous system is consist of brain and spinal cord. The brain is made of the cerebrum, cerebellum, and brain stem.

The parts of the central nervous system involved in given behaviors are as follows:

Listening to music: The cerebrum in the brain is responsible for the behaviour of listening music as it functions for auditory stimuli (temporal lobe).Realization of being thirsty: limbic system in brain is responsible for the regulation of thirst.Feel that soda is no longer cold: Hypothalamus in brain controls the sense of temperature felt by the body.Decide to invite a friend over: The cerebrum functions for thinking and decision making.

The answer is d. when it begins to fall back to the child's hand