nutrients and digestion

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Across
  1. 2. they are the building blocks of protein
  2. 5. water-soluble or fat-soluble organic nutrient needed in small quantities for growth
  3. 9. breakdown of food through chewing,mixing, and churning
  4. 12. mechanical and chemical breakdown of food into small molecules that cells can absorb and use
  5. 13. liquid product of digestion
  6. 14. inorganic nutrient that regulates many chemical reactions in the body
  7. 15. group of foods such as bread,cereal,rice,and pasta containing the same type of nutrients
Down
  1. 1. nutrient that usually is the body's main source of energy
  2. 3. substances in foods-proteins,carbohydrates,fats,vitamins,minerals,and water-that provide energy
  3. 4. is made up of amino acids and is used for growth
  4. 6. fingerlike projections covering the wall of the small intestine that increase the surface area for food obsorbtion
  5. 7. nutrient that stores energy,cushions organs, and helps the body absorb vitamins
  6. 8. waves of of muscular contractions that move food through the digestive tract
  7. 10. occurs when enzymes and other chemicals break down large food molecules into smaller ones
  8. 11. a type of protein that regulates nearly all chemical reactions in cells