Answer:
Proteins.
Step-by-step explanation:
Proteins are one of the necessary macronutrients required for the functioning of the human body. It helps in not only building the cells in the body but also helps repair and maintain the smooth functioning of the whole body.
There are different and numerous sources of proteins-
Non-vegetarian sources include eggs, poultry, lean meats, milk, cheese, etc.
And vegetarian sources include pulses, nuts, seeds, etc.
Thus, chicken and eggs are examples of proteins.