The heart-damaging chemical found in the blood that's associated with long-term depression is                a.  endorphins.      b.  neurotransmitters.      c.  homocysteine.      d.  adrenaline.

Heat affects all vitamins. which vitamins are more sensitive to heat and leach into water? a. vitamin a and d b. vitamin b and c c. vitamin e and k d. vitamin d and c

If your goal is to improve your person relationships with your friends at school, which category would it fall into? a. physical b. emotional c. social d. academic

Teenagers and children need sleep. teens need at-least 8-9 hours of sleep. kids need   at-least 10-11 hours of sleep depending on what time they go to sleep. sleep is very important for anyone of any age. read more on -