________ causes muscles to relax after contractions, helps tooth enamel to retain calcium, and is found in nuts, dark green vegetables, seafood, and chocolate.

The liver can metabolize _____ ounce(s) of alcohol per hour.

One of the functions of vitamin C in the body is ______.

______ helps maintain the strong acidity in the stomach and the appropriate balance of acids and bases in the blood.

Which is not a body function that copper is involved in?

________are due to spasms in the muscle at the base of the lungs.

Vignette #2 Juan and Rosa are in their late 20s, and both have parents who are experiencing a loss of vitality. Juan’s mom has a curved back, and Rosa’s mother is obese. Juan’s dad has developed depression and Rosa’s father has macular degeneration. Juan and Rosa have many questions about how to avoid these conditions in their future if possible. Let’s answer these questions to see if we can help them. Juan is overweight already and Rosa is concerned that if he doesn’t lose weight, he will eventually have heart disease. What steps should Juan take to minimize this risk?

Peak bone mass is reached at approximately ____ years of age.

_______ is drawn from an underground source and contains at least 250 parts per million of dissolved solids.

What food is an unlikely source of beta-carotene?