*1. Cold water on your hand sends a message up the arm to the brain that says "ooh, this is cold water!" This is an example of what "division" of our nervous system?@The Peripheral Nervous System is divided into two parts. One is responsible for carrying messages up to the brain, the other carries messages down from the brain. Your job is to determine which is happening in this scenario, and name the division in charge. *3. You decide to take a walk. Your brain sends a message to your feet and the rest of your body to start walking. This is an example of what "division" of our nervous system?The Motor Efferent Nervous System also has two separate divisions. One is for movements we choose to make, the other takes care of movements we have no control over. Which is in control here? (name the division).