LET’S FIND OUT GOOD HEALTH WHAT ARE PROTEINS ANNA KINGSTON Britannica Educational Publishing IN ASSOCIATION WITH ROSEN EDUCATIONAL SERVICES
PROTEINS ARE NUTRIENTS Food can be tasty but enjoying its flavors is not the main reason that people eat People eat because they need nutrients Nutrients are what a body requires to move grow and stay alive All living things need nutrients to function Plants make some nutrients and take in others from the air and soil Animals such as humans get nutrients from the foods they eat Proteins carbohydrates fats minerals Protein is one of several nutrients that the human body needs 4
Protein keeps your body strong About one-sixth of the body’s total weight is protein Compare and Contrast How is protein like the other kinds of nutrients How is it different vitamins and water are all nutrients Proteins are needed for body tissue to grow and repair itself After water and possibly fat protein is the most abundant material in the human body Carbohydrates supply most of the energy the body needs Fats store extra energy for the body Minerals and vitamins keep the body healthy Water has many uses in the body It makes up most of the body’s weight 5
