Answer:
a. exercise
it is associated with less or lack of physical activity.
Keep one hand on the infant's forehead to maintain an open airway.
Use the pads of two or three fingers of your other hand to give chest compressions on the center of the chest, just below the nipple line (toward the infant's feet).
Answer:
Our stomach is a sac-like organ with strong muscular walls. In addition to holding food, it serves as the mixer and grinder of food. Your stomach makes acid and powerful enzymes that break the food down and change it to a liquid or paste. From there, food moves to your small intestine.
Explanation:
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The best way I've found, according to Ask A Biologist . com, was to wash your hands regularly.