Protein is a macronutrient in the human diet because the human diet requires a relatively large amount of protein.
What are macronutrients?
Macronutrients are the class of nutrients that the body needs to generate energy for various bodily functions.
- The body requires these nutrients in more significant amounts in comparison to other nutrients.
- The macronutrients consist of three primary classes of nutrients, i.e., carbohydrates, proteins, and fats. Generally, the need for micronutrients is fulfilled through the intake of macronutrients.
- All the cells and tissues in the body contain several types of proteins and amino acids. The body requires proteins for the maintenance and repair of cell function.
Why are proteins a large part of human diet?
- Proteins form the various structural components and membranes in the body. They are a component of various biological enzymes, hormones, and transport carriers.
- Proteins are a component of muscles, hair, nails, and bones. They are also required to function immune cells and act as channels and transport molecules to transport various molecules like ATP, potassium, and sodium across the various parts of the body.
- Proteins are also crucial for wound healing and tissue healing, especially during old age.
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