AnP 2 lab digestion

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AnP 2 lab digestion
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2012-11-26 20:17:01
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AnP 2 lab digestion
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  1. Term that refers to the process whereby the body takes in and uses food
    nutrition
  2. food that is brought into the body is converted into what two things?
    • energy 
    • body structure
  3. how long are the intestines?
    24 ft
  4. in what 2 ways is food broken down ?
    • mechanically
    • chemically
  5. after food is broken down what are the 2 possiblities ?
    • absorbtion
    • defecation
  6. list the 4 digestive glands 
    • salivary gland
    • pancreas 
    • liver 
    • gall bladder
  7. what type of digestion do teeth contribute to?
    mechanical 
  8. what is the fancy term for chewing ?
    mastication
  9. what is the fancy term for swallowing?
    deglutation
  10. chewing facilitates what type of digestion
    mechanical
  11. what is formed as a result of mixing saliva with food that is being chewed 
    bolus
  12. what is the enzyme that is in saliva
    salivary amylase
  13. what nutrient is dijested by salivary amylase
    carbohydrates
  14. what types of digestion are started during the process of ingestion? (2)
    • mechanical
    • chemical
  15. what is the fancy term for the throat
    pharynx
  16. what structure pushes material to be swallowed back into the throat
    tongue
  17. what is the musclular tube that takes food from the throat in the stomach?
    esophagus
  18. what is the structure that prevents material being swallowed from entering the trachea?
    epiglottis
  19. what is the term for the wave like contractions that force swallowed material along the esophagus
    peristalsis
  20. what must material being swallowed pass through to enter the stomach
    spincter
  21. what is the function of the spincters along the digestive tract
    help the food move in one direction
  22. what is the term for the folds that are found in an empty stomach
    rugae
  23. what is the function of rugae
    allows the stomach to expand when full
  24. what types of digestion occur in the stomach
    • mechanical
    • chemical
  25. what contributes to mechanical digestion in the stomach
    • churning
    • squeezing
  26. what contributes to chemical digestion in the stomach
    digestive juices
  27. term for the liquid that results from the action of hydrochloric acid in the stomach
    chyme
  28. what material prevents hydrocholric acid from digesting the stomach
    mucus
  29. what is the enzyme that begins the chemical digestion of protiens 
    pepsin
  30. what is the term for the distal portion of the stomach
    pylorus
  31. food leaving the stomach enters what structure of the digestive tract
    small intestine
  32. what 2 processes occur along the small intestine
    • further digestion
    • nutrient absorbtion
  33. how long is the small intestine
    20 feet
  34. 3 parts of the small intestine 
    • duodenum
    • ileum
    • jejunem
  35. in what part of the small intestine does most chemical digestion occur
    duodenum
  36. what enters the duodenum from the gall bladder
    bile
  37. enzymes enter the small intestine from what 2 sources 
    • pancrease
    • intestine walls
  38. bile is actually created in what organ
    liver
  39. bile is stored in what organ
    gall bladder
  40. bile acts on what substrate
    lipids
  41. what is the term that refers to the break down of fats into smaller particules
    emulsify
  42. term for the enzymes involved in protein digestion
    trypsin
  43. term for the enzymes involved in carbohydrate digestion
    amylase
  44. term for the enzymes involved in lipid (fat) digestion
    lipase
  45. term for the finger like projections that cover the wall in the small intestine
    villi
  46. what process is facilitated as a result of the villi increaseing the surface area of the small intestine
    food absorbsion
  47. cappilaries in the villi are involved in absorbing the products that result from the digestion of what 2 types of nutrients
    • carbohydrates 
    • protiens
  48. lymph vessels in the villi called lacteals are involved in the absorbing the products that result from the digestion of what type of nutrients?
    fat
  49. the end products of digestion enter what structure upon leaving the small intestine
    colon
  50. give 2 substances stored by the cells of the liver
    • fat soluable vitamins 
    • glucose
  51. give 2 examples of substances that are removed from the blood by the liver by the process of detoxification
    • alcohol
    • ammonia
  52. what is left of the food once it has passed from the small intestine to the large intestine 
    • undigestable material 
    • water
  53. what is the fancy term for the large intestine 
    colon
  54. 6 parts of the large intestine
    • cecum
    • ascending colon
    • transverse colon
    • descending colon
    • sigmoid colon
    • rectum
  55. what structure is attached to the first part of the large intestine
    appendix
  56. the large intestine is involved in the reabsorbtion of what 2 substances?
    • water
    • minerals
  57. whats the final stage of the process of digestion
    defecation

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