Meeting Your Metabolic Needs

What are the main nutrients mentioned in the text that are essential for human metabolism?

How does your body use carbohydrates to release energy?

• Carbohydrates are broken down into glucose, which is used for energy.

• Carbohydrates are stored as fat and used for energy later.

• Carbohydrates are converted into proteins for energy.

• Carbohydrates are excreted without being used for energy.

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Fill in the blank: During cellular respiration, glucose and oxygen molecules are chemically rearranged to form carbon dioxide and ________ molecules.

• water

• nitrogen

• hydrogen

• methane

True or False: Foods with a lower glycemic index are better for providing energy that lasts over a longer period of time.

• True

• False

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The glycemic index measures:

• The amount of glucose in the blood

• The rate at which carbohydrates raise blood sugar levels

• The number of calories in a food item

• The amount of insulin produced by the pancreas