Answer:
You need protein in your diet to help your body repair cells and make new ones. Protein is also important for growth and development in children, teens, and pregnant women.
Explanation:
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I think lymph nodes produce white blood cells...so when you get sick, they produce many white blood cells to fight the bacteria or virus, and I assume they swell because they're over-producing white blood cells.
Synergistic interaction is a chemical reaction where the combination of the chemicals produces a stronger effect than either of the chemicals would produce alone.