Which of the following statements is true? antibodies for chicken pox are useful in fighting pneumonia. swollen lymph nodes in the throat can indicate an infection. passive immunity can be developed through immunization. pus is formed when antigens are identified by leukocytes.

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image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.