QUESTIONS:9. After a big meal, you start to feel full and satisfied. This is a result of the digestive system's function to: a) Regulate body temperatureb) Break down food into smaller moleculesc) Provide structural support to your body d) Filter impurities from the air you breathe 10. You take a deep breath before giving a presentation. This action is directly related to the respiratory system's function to: a) Regulate your body temperature b) Support your body's structure c) Exchange oxygen and carbon dioxide in the lungs d) Help digest the food you ateANSWERS:9. b) Break down food into smaller molecules10. c) Exchange oxygen and carbon dioxide in the lungs