32.1 Nutrients and Homeostasis On notebook paper name date block List and describe the seven parts...

32.1 Nutrients and Homeostasis

On notebook paper

name date

blockList and describe the seven parts of a food label

• 1st lab Testing for the Effectiveness of Antacids

• 2nd- finish yesterday’s activity or Wed. video Questions

Design a chartTitle: Nutrients and Homeostasis

Nutrient Functions Found in Foods Like:

Design a chart (3 columns and 20 rows)Title: Vitamins and Minerals page 973 and 974

Nutrient Sources Important for:

KEY CONCEPTCells require many different nutrients.

The six types of nutrients are water, carbohydrates, proteins, fats, minerals, and vitamins.

• Water makes up 55% to 60% of your body. – involved in nearly every cell and body process– need 2 liters (8 cups) a day to replace fluid lost

• Carbohydrates are the main source of energy for the body.– simple and complex carbohydrates supply glucose– fiber from plant foods helps elimination

Simple and Complex Carbohydrates

• Proteins are necessary for growth and repair of the body’s cells.– body makes 12 out of 20 amino

acids – other eight essential amino acids

come from food• Fats provide energy and key

building components.– fats are saturated and

unsaturated – essential fatty acids come from

Proteins and Fats

Meeting nutritional needs supports good health.

• During puberty, you require more nutrients and Calories.– One Calorie equals one

kilocalorie, or 1000 calories. – 1g of protein or carbohydrate

equals 4 Calories. – 1g of fat equals 9 Calories.

• Minerals are inorganic materials.– help to build or repair tissues– replenished by eating variety of foods

• Vitamins are organic molecules that work with enzymes.– vitamins are fat-soluble and water-soluble – regulate cell functions, growth, development – replenished by eating variety of foods

Complete # 7 on “Eating for Your future” Video Sheet

• Carbohydrate-An organic molecule found in the form of starch, sugar, and fiber. A major source of dietary energy.

• Cholesterol- a waxy substance produced by the liver and found in animal fats, cell membranes. Too much can build up on the walls of the arteries. Leading cause of heart disease.

• Diet- the type of food eaten each day. Needs to be balanced.

• Fat- high energy food that contain twice as much energy as equal amounts of carbohydrates. One of the three basic food types. High in calories and can lead to weight gain.

• Food- fuel that gives the body the energy it needs to perform in order to stay alive.

• Protein-a naturally occurring substance made of amino acids found in animal products, and some plant products. Nuts, meats, fish, egg whites, grains

• Saturated fats-fats that are solid at room temperature, Some raise cholesterol level. Ex. butter, vegetable shortening, margarine.

• Trans fats- created by turning unsaturated fats into saturated fats in a process called hydrogenation. All raise cholesterol levels

• Unsaturated fats- fats that are liquid at room temp. (vegetable oils, olive oil, peanut oil). Tend to decrease a person’s cholesterol level.

• Cholesterol-a waxy food substance produced by the liver and found in animal sources. Too much clogs arteries.

• Trans fats-created by turning unsaturated fats into saturated fats through a process called hydrogenation

Calories and Metabolism

• Calorie- a measure of a unit of energy food in food.• Metabolism-all chemical processes that synthesis or

breakdown materials with an organism.

RDA• Recommended Daily Allowance

• Food labels can help you make good eating choices.

• A balanced diet of whole foods provides the best nutrients and Calories.

• Food and physical activity also need to be balanced. MALES

FEMALES

32.1 Nutrients and Homeostasis On notebook paper name date block List and describe the seven parts...

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Transcript of 32.1 Nutrients and Homeostasis On notebook paper name date block List and describe the seven parts...

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