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Across 2. inorganic element essential for body and obtained from Salt 5. most abundant in the body 8. Composed of one or more chain of amino acid 10. Mainly sugar and starch and used as energy source

Down 1. water-soluble organic substances essential in proper amount for normal growth of the body 3. Major source of energy in the diet 4. metric unit for energy 6. The major anion found in the fluid outside of cells and in blood, chemical symbol id Cl 7. Naturally occuring inorganic sunbstance 9. basic need of the body