Across
- 3. any of a group of organic compounds that are essential for normal growth and nutrition and are required in small quantities in the diet because they cannot be synthesized by the body.
- 4. A soft silvery-white reactive metal found in foods.
- 7. A collective term used to refer to all the monosaccharides and disaccharides.
- 8. not previously known or used; new or different.
- 10. a red protein responsible for transporting oxygen in the blood of vertebrates.
- 11. the colorless fluid part of blood, lymph, or milk, in which corpuscles or fat globules are suspended.
- 14. the natural agent that stimulates sight and makes things visible.
- 15. An energy-yielding nutrient composed of carbon, hydrogen, oxygen, and nitrogen.
- 16. One of the six classes of nutrients that include sugars, starches, and fibers.
- 19. A polysaccharide that is the storage form of energy in plants.
Down
- 1. a basic component of food that nourishes the body.
- 2. each of a pair of organs in the abdominal cavity of mammals, birds, and reptiles, excreting urine.
- 5. a chemical element or substance required in trace amounts for the normal growth and development of living organisms.
- 6. of, relating to, or derived from living matter.
- 7. light from the sun.
- 9. possessing or enjoying good health or a sound and vigorous mentality.
- 12. This unit is used as a measure of the energy released by food as it is digested by the human body.
- 13. A mineral found mainly in the hard part of bones, where it is stored.
- 17. a natural oily or greasy substance occurring in animal bodies, especially when deposited as a layer under the skin or around certain organs.
- 18. a colorless, transparent, odorless, tasteless liquid that forms the seas, lakes, rivers, and rain and is the basis of the fluids of living organisms.