Content Vocabulary

1. Content Vocabulary • essential amino acids • vegetarians

2. Proteins are made of 20 different amino acids. The body can produce some, but the remaining essential amino acids must be eaten in foods. essential amino acids Amino acids that cannot be made by the body

3. Protein in Foods • Protein is made of amino acids and serves as the building material for many body structures.

4. Protein is found in: Meats Fish Poultry Eggs Cheese Milk Grains Beans Protein in Foods

5. Vegetarians can easily get enough protein from plant foods alone. People who eat only plant foods must eat a variety of them each day to receive the full range of needed amino acids Protein in Foods vegetarians People who omit meat, fish, and poultry from their diets

6. Animal proteins provide all of the essential amino acids in the right amounts for building human tissues. Most plant proteins contain limited amounts of certain amino acids. People who eat only plant foods must eat a variety of them each day. Protein in Foods

7. Nutrients in Vegetarian Diets Protein in Foods • Vegetarians may not take in enough vitamin B12, vitamin D, calcium, or iron. • Vegetarians must rely on fortified foods, or take a supplement.

8. Protein Deficiency Protein in Foods • A person who does not consume enough protein can become protein deficient. • The body wastes away its lean tissues and is left defenseless against diseases.

9. Section Review: Reviewing the Vocabulary • Define essential amino acids. essential amino acids Amino acids that cannot be made by the body

10. Section Review: Reviewing the Vocabulary • What are vegetarians? vegetarians People who omit meat, fish, and poultry from their diets