Answer:
The nutritional class that contributes to the absorption of vitamins and supports the immune system are fats.
Explanation:
Fats are of fundamental importance to the body, since they form the cell membranes and participate in the synthesis of hormones, among other functions, as the absorption of vitamins and contribute to the immune function.
- Fats are capable of absorbing certain types of vitamins, specifically A, D, E and K, called liposoluble vitamins, which can be stored in the adipose tissue.
- The immune system depends on fats in the first place because they constitute the first line of defense of the cells, since they constitute the cellular membrane of selective permeability.
Additionally, immune defense cells use the function of the cellular membrane to facilitate the reception and presentation of antigens, secretion of antibodies and toxic substances for foreign organisms, such as cytokines and lymphokines, among others.
Regarding the other options:
- Water is necessary for homeostasis maintenance, substance transport and waste disposal.
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Proteins constitute the structural and functional support of living organisms, by building tissues and participating in metabolic and regulatory functions.
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Carbohydrates are the main energy source of living beings.
