I couldnt find this questions anywhere. So, im putting it out there. ✔ Oxygen
atoms can break bonds in food to release energy.

✔ Calcium
atoms form crystals that make bones and teeth strong.

✔ Phosphorus
atoms are used in molecules that move energy to different parts of cells.

Those are the correct answers, add your own for free points.

the glands which are associated with each description is given below:

pancreas - is an endocrine and exocrine gland that secretes juices with enzymes for digestion. salivary glands- with protection and digestion in the mouth. liver- secretes bile for digestion.   lachrymal glands - secrete tears to moisten eyes and protect them from particles and infection.   sweat gland -regulates water, salt, and temperature. oil glands - to form a protective barrier on the skin.   goblet cells - secrete mucus for protection.