Verified Answer :

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Final answer:

Proteins are the key nutritional class that absorbs vitamins and sustains the immune system.


Explanation:

Proteins are the nutritional class that absorbs vitamins and sustains the immune system. Proteins play a crucial role in the immune system by producing antibodies that help defend against infections and diseases. Examples of protein-rich foods include meat, fish, dairy, legumes, and nuts.


Learn more about Nutrition and Immune System here:

https://brainly.com/question/26402342


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