When working with a new client utilizing tempo training, which portion of the exercise is drawn out

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 dancer so i get cardio a lot)

Why do you need two different circuits of blood vessels in your body?

Social sciences are the observable facts or events that involve human society. select the best answer from the choices provided t f