Will upvote!

which factor is not a common trigger for asthma?

a: mold

b: pollen

c: dander

d: sunlight

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 many calories are in one pound of fat

The heart and lung are located in which cavity ? thoracic