Across
- 4. a solid, naturally occurring inorganic substance
- 7. any of a large group of organic compounds occurring in foods
- 8. a group of organic compounds which are essential for normal growth and nutrition
Down
- 1. Refers to the stomach and intestines. Also called gi
- 2. a class of nitrogenous organic compounds which have large molecules composed of one or more long chains of amino acids and are an essential part of all living organisms
- 3. sugar which is an important energy source in living organisms
- 5. a thread or filament from which a vegetable tissue, mineral substance
- 6. a natural oily substance occurring in animal bodies