They do most of the work in cells and are required for the structure function and regulation of the bodys tissues and organs. Proteins are molecules made of amino acids.

How Dietary Protein Intake Promotes Wound Healing Wound
How proteins are used in the body. Acts as a messenger. Though one gram of protein can yield 4 calories the most important functions of the protein are tissue building and repair and provision of the ingredients for the formation of enzymes hormones and antibodies. In fact except for water protein is the most abundant substance in your body. Yet your bodys proteins are in a. Protein use depends on the following. Here are 9 important functions of protein in your body.
They are coded for by our genes and form the basis of living tissues. For example proteins catalyse reactions in our bodies transport molecules such as oxygen keep us healthy as part of the immune system and transmit messages from cell to cell. Your body needs protein for growth and maintenance of tissues. Protein is a macronutrient. Proteins are found in all active tissues of the body eg. It is one of the three nutrients found in food that the body needs in large amounts.
Proteins are made up of hundreds or thousands of smaller units called amino acids which are attached to one another in long chains. It is essential for the maintenance and building of body tissues and muscle. Proteins are large complex molecules that play many critical roles in the body. As they say when life gives you lemons you ask for something higher in protein protein name comes from the greek word proteios meaning primary or first place as the meaning says proteins are essential nutrients for the human body. They also play a central role in biological processes. Muscle cells the liver glands etc.