Across
- 3. a colorless, transparent, odorless, tasteless liquid
- 6. derived from living matter.
- 8. the colorless fluid part of blood, lymph, or milk, in which corpuscles or fat globules are suspended.
- 9. each of a pair of organs in the abdominal cavity of mammals, birds, and reptiles, excreting urine.
- 11. the chemical element of atomic number 19, a soft silvery-white reactive metal of the alkali metal group
- 12. a red protein responsible for transporting oxygen in the blood of vertebrates. Its molecule comprises four subunits, each containing an iron atom bound to a heme group.
- 13. an odorless tasteless white substance occurring widely in plant tissue and obtained chiefly from cereals and potatoes.
- 15. a substance that provides nourishment essential for growth and the maintenance of life.
- 18. a natural oily or greasy substance occurring in animal bodies, especially when deposited as a layer under the skin or around certain organs.
- 19. any of a group of organic compounds that are essential for normal growth and nutrition
Down
- 1. the natural agent that stimulates sight and makes things visible.
- 2. any of a class of nitrogenous organic compounds that consist of large molecules composed of one or more long chains of amino acids
- 4. in good health
- 5. not previously known or used; new or different.
- 7. either of two units of heat energy
- 10. Gives you energy
- 14. light that comes from sun
- 16. the chemical element of atomic number 20, a soft gray metal.
- 17. nutrients a chemical element or substance required in trace amounts for the normal growth and development of living organisms.
- 20. a sweet crystalline substance obtained from various plants, especially sugar cane and sugar beet, consisting essentially of sucrose, and used as a sweetener in food and drink.
