I believe the answer is Sexual Orientation. That is what I would choose based on how the question is stated.
I am really really good and intelligent. I am currently fine.
Answer:
The baby starts breathing
Explanation:
While in the womb, a fetus has its oxygen delivered to it, and the waste products removed (all via the mother's bloodstream), so there is no reason to separate all the chambers of the heart while still in the womb.
However, once the baby is born and it is breathing, the chambers need to differentiate in order to allow the blood to reach the lungs, and the oxygenated blood and deoxygenated blood do not mix.
Poor health and decreased appetite
Many things can trigger an asthma attack such as; cold air, dust mites, pollen, smoke, mold