It should be puberty because once a female starts her menstrual cycle she is able to become pregnant. The same should go for guys when it comes to their sperm becoming "active" in other words
Dual Energy X-ray Absorptiometry (Dexa)
A) aerobic, which uses oxidative phosphorylation for ATP
It would most likely be Bi-polar disorder. It has to be over a long periond of time. Say if she was in the hospital for a monthe she could be depressed for let's say three weeks before she was happy again for two weeks. that would be bi-polar.
