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.
Due to the lack of BRAIN maturity coupled with pressure from peers to conform, teens often take risks without considering whether they are worth the potential rewards or consequences.
Everyone has the opportunity to healthcare insurance, so people can go to the doctor ,and get their medicines cheaper than without insurance.
Step One: Define the Problem: “What is the problem?”
Step Two: Identify the Causes of the Problem: “Why is this happening?”
Step Three: Brainstorm Possible Solutions.
Step Four: Select the Best Solutions.
Step Five: Implement the Plan.
Step Six: Follow-Up, Evaluate, and Monitor Progress.
Simple google search. Hope this helps.
I think it's "Respondent Behavior"
