Question

2 They act building blocks and help in growth and repair of body cells and tissues​

Answer 1

Explanation:

tissue this was right answer

Answer 2

Answer:

According to the NIH, proteins are often referred to as the building blocks of your body because they are critical to the growth and repair of your cells. ... Your body can also use proteins as an energy source. Like carbohydrates, each gram of protein supplies 4 calories. Proteins consist of amino acids.

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