1. all of the following are physical responses to relaxation except
a. your blood pressure and heart rate decrease. b. your digestive system returns to normal functioning. c. you breathe more deeply, exhaling carbon dioxide that can make you feel anxious. d. your muscles remain ready for fight or flight.

Ihave a really high metabolism and only weigh 70 pounds (13 almost 14). people always ask me two questions: do you ever eat and how do you eat so much and stay so skinny. i am worried that a high metabolism wont me forever. what are some safe steps i can take to maintain being fit. (also, i already work out i am a dacer so i get cardio a lot)