The placenta is the interface between the maternal and embryo's blood, and allows for the exchange of nutrients, including oxygen and carbon dioxide exchange, but prevents certain drugs and chemicals from reaching the embryo. Its a bit like a security guard that only lets certain things though to the baby.
When performing Cardiopulmonary Resuscitation or CPR you have to follow the following steps:
1. Make sure that the scene or environment is safe.
2.Tap the patient and ask if he/she is okay, if the victim is non-responsive proceed to CPR.
3. First, perform the head-tilt chin-lift maneuver to open the airway.
4. Start by giving 30 chest compressions and 2 breaths thereafter. Watch for response from the patient and if there is none, repeat the cycle.
Therefore, when performing rescue breathing, tilt the head of the patient.
The answer would be it is easier for them to find their nest when they decorate
Based on the symptoms present, he could be experiencing hyperglycemia.