Which body parts regulate heart rate, brething, swallowing, sneezing, and coughing?

The medulla can help with regulating heart rate, breathing, swallowing, sneezing, and coughing. it is a very important part of the body considering it takes care of all this :)

what statement best describes the difference between the sympathetic and parasympathetic nervous systems?

the sympathetic nervous system prepares the body for intense physical activity and is often referred to as the fight-or-flight response. the parasympathetic nervous system has almost the exact opposite effect and relaxes the body and inhibits or slows many high energy functions.

a chain link fence because there so tiny even my albino donkey can't get out