Fewer job opportunities for the mother, unfortunately, especially if she is pregnant, because people judge, and they won't think she is responsible since she is underage and with child. With the father, it's not like they'll know right away, and they can just walk away and not be bothered with the subject again, while the mother will have to find a job and either manage to balance school, or drop out. The parents don't have to do anything, but they can support there children, but it's still not going to affect if they get job offerings or not.
Blood! Cardiovascular system refers to the heart pumping blood around the body.
Answer:
All?
Explanation:
In my opinion all of these can be checked to describe someone who is mentally healthy.
Hope this helps!