Which are the three classes of nutrients that supply your body with energy?

What else happens in your cardiovascular system in response to your sympathetic nervous system? why might your blood vessels need to expand to accommodate this?

Andrea's parents take her to a routine dentist exam. after examining andrea, the dentist applies a thin film on her healthy molars. what is this called?

What standards are most likely to be broken in a medical coding professional environment? what is the logical long-term outcome of consistently violating each of these ethics? -write in complete sentences-