Digestion, absorption and nutrition

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Across
  1. 1. Fatty acids that are essential in the diet because they cannot be synthesized in the body
  2. 8. secretes enzymes into the lumen of the small intestine
  3. 9. Hormone that stimulates the metabolic rate and ensures that enough energy is released in the body
  4. 11. Material such as cellulose,lignin and pectin
  5. 14. Food that are the only possible source of the nutrients
  6. 16. the process of taking substances into cells and the blood
  7. 18. digested to maltose by amylase
  8. 20. Condition of a shortage of 1 or more essential amino acids in the diet then the body cannot make enough of the proteins that it needs
  9. 21. Chemically diverse carbon compounds that cannot be synthesized by the body
  10. 22. A consequence of a diet lacking in adequate protein and carbohydrates
  11. 23. digests proteins and peptides
Down
  1. 2. Secrete directly into the bloodstream
  2. 3. More likely to suffer hypertension and type II diabetes
  3. 4. An essential amino acid that can be synthesized by the body if phenylalanine is present
  4. 5. Centre in the brain responsible for making us feel satisfied when we have eaten enough food
  5. 6. Released by chief cells as the inactive pepsinogen
  6. 7. Hormones are involved in controlling the secretion of
  7. 10. They absorb monomers formed by digestion as well as mineral ions and vitamins
  8. 12. Secreted by the parietal cells of the stomach
  9. 13. Secrete directly into ducts
  10. 15. The human digestive system nutrients are absorbed in the
  11. 17. Chemical elements in ionic form
  12. 19. The cell surface membrane on the intesinal lumen side has a number of extensions responsible for increasing surface area