Nutrients

Ch. 10 Lesson 2

Giving your body what it needs.

Nutrients:

Used as an energy source

Heals, builds and repairs tissue.

Sustains growth.

Helps transport oxygen to cells.

Regulates body functions.

6 types of nutrients

Carbohydrates, fats and protein provide the body with energy.

Vitamins, minerals and water help regulate body functions.

Carbohydrates (Vocab)

Starches and sugars found in foods, which provide your body’s main source of energy.

3 types of carbs: simple (sugars), complex(grains) and fiber.

Fiber (Vocab)

A tough complex carbohydrate that the body cannot digest.

Moves waste through your digestive system.

Protein (Vocab)

Nutrients the body uses to build and maintain its cells and tissues.

Types of proteins

Your body uses 20 amino acids found in food. You produce all but nine of them.

Essential-body must get from food.

Non-Essential-produced or synthesized by the body.

Complete Proteins

Contain all nine essential amino acids.

Examples: eggs, dairy products and soy.

Types of fats

Unsaturated fats – Vegetable oils, nuts, and seeds. Eating moderate amounts can help lower risk of heart disease.

Saturated fats – Mostly found in meat and many dairy products. Too much increases risk of heart disease.

Trans fat – Formed by hydrogenation. Found in stick margarine and snack foods.

Cholesterol (Vocab)

A waxy, fatlike substance.

http://www.youtube.com/watch?v=wnK1Kv3XkZI&safe=active

Vitamins (Vocab)

Compounds found in food that help regulate many body processes.

Water Soluble – Vitamin C, folic acid and B vitamins.

Fat Soluble – Vitamins A, D, E and K.

Minerals (Vocab)

Elements found in food that are used by the body.

How important is water?

Moves food through the digestive system.

Aides in chemical reactions of the body.

Transports nutrients and removes waste.

Stores and releases heat.

Cools the body through perspiration.

Cushions the eyes, brain, and spinal cord

Lubricates joints.

Review

Which nutrients can your body use as energy?

What are essential amino acids? How are they obtained?

How does eating calcium-rich foods as a teen protect your lifelong health?