Ahormone produced by adrenal gland that increases the heart rate and respiratory rate, in response to physical and mental stress:
a) ephedrine
b) adrenaline
c) eustress
d) none of the above

a problem could be dealing witj emotional stress..all of these factors contribute to emotional stress.

teens need 8-10 hours of sleep. it kind of depends on what time you get up. but prob around 10 or 11 p.m. or 11 or 11: 30 p.m.