The smallest physical units of a substance are

A) atoms. B) elements. C) free radicals. D) molecules.


D

Nutritional Science

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Consider the first digestive challenge presented in the text: Human beings breathe, eat, and drink through their mouths. Air taken in through the mouth must go to the lungs; food and beverages must go to the stomach. The throat must be arranged so that swallowing and breathing do not interfere with each other. How does the human body resolve this?

What will be an ideal response?

Nutritional Science

Grilled chicken that is pink in the middle is never safe to eat.

a. true b. false

Nutritional Science

The basal metabolism rate (BMR) decreases about 1 to 2 percent per decade for adults

Indicate whether the statement is true or false

Nutritional Science

Athletes who train regularly and consume sufficient carbohydrates have higher baseline muscle glycogen levels than sedentary individuals

Indicate whether the statement is true or false

Nutritional Science