Final answer:
Chewing food is not a metabolic activity, unlike other listed processes that involve chemical reactions for energy production and bodily functions.
Explanation:
Chewing food is not a metabolic activity because it is a mechanical process that aids in food digestion but does not involve the chemical reactions necessary for metabolism. On the other hand, making new red blood cells, the heart beating, filtering wastes through the kidneys, and inhaling and exhaling air are all metabolic activities that involve various chemical reactions in the body to produce energy and maintain bodily functions.
Learn more about metabolic activity in biology here:
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