Answer:
Active immunity occurs when our own immune system is responsible for protecting us from a pathogen. Passive immunity occurs when we are protected from a pathogen by immunity gained from someone else.
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Answer:
Serving size is a standardized amount of food. It may be used to quantify recommended amounts, as is the case with the MyPlate food groups, or represent quantities that people typically consume on a Nutrition Facts label. Portion size is the amount of a food you choose to eat — which may be more or less than a serving.
Explanation:
Mammogram is the most common diagnostic test for breast cancer.
