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