5. B: Breathing is breathing with. Breath (Mouth to mouth) by mouth each time for about 5 seconds or 12 beats / min, but if the patient's heart is not beating a breath along with cardiac massage.
5. B: Breathing is a breathing aid with Blow the mouth of the patient (Mouth to Mouth) by blowing the mouth for about 5 seconds or 12 times/minute, but if the heart of the patient does not dance, you must blow the mouth along
5. B. learning is to help the patient breathe. The time of "mouth to mouth" and "through the forest" is about 5 seconds or 12 minutes. But if you have a heart attack<br>