A baby requires positive pressure Which device cannot deliver free flow o2 reliably to an infant

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)

How quickly a drug enters your bloodstream also depends on

When encountering an injured victim, what is the evaluation sequence