39.txt

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Anonymous
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222794
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39.txt
Updated:
2013-06-07 05:21:04
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39 principles life
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ch39 principles of life.
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  1. Carbs, proteins and lipids important to make
    ATP
  2. Good diet gives 3 things
    Chemical energy needed, break down organic building blocks, essential nutrient (body cannot synthesize)
  3. What is essential?
    Essential fatty acids, amino acids, minerals and vitamins. WE CANT MAKE THEM.
  4. Many plant proteins are
    Incomplete
  5. There are ____ essential vitamins.
    13. They are water soluble and excreted in urine.
  6. Vitamin A deficiency is leading cause of
    Blindness
  7. Improper or no folic acid during gestation results in
    Neural tube defects
  8. Minerals are INORGANIC and required in ____ amounts.
    Small. Iron, iodine, sodium, sulfur, calcium
  9. Food processing steps
    Ingestion> digestion> absorption > elimination
  10. Mechanical digestion are carried out by
    Teeth and stomach (churning)
  11. Different kind of feeders
    Fluid, filter feeding, substrate feeding, bulk (humans)
  12. When organism is ON what its feeeding on
    Substrate feeding
  13. Esophagus and stomach
    Foregut
  14. Small intestine
    Midgut
  15. Large intestine and anus/cloaca
    Hindgut
  16. Food is pushed along digestive track via
    Peristalsis
  17. Ball of food is called
    Bolus
  18. _______- breaks down starch and glycogen during chewing
    Salivary amylase
  19. Trachea is supported by
    Cartilage
  20. What keeps food from being inhaled in trachea?
    Epiglottis
  21. Stomach is NOT essential for digestion
  22. Gastric juice + food =
    Chyme
  23. Two stomach sphincters
    Lower esophageal, pyloric
  24. Parietal cells produce
    Hydrochloric acid. Stomach acid.
  25. 3 parts of small intestine
    Duodenum, jejunum, ileum.
  26. Hormone important for hunger and satiety
    Leptin (telling stomach you're full);
  27. Hormone immprtant to increase hunger
    Ghrelin
  28. ____ have shorter digestive track
    Carnivores
  29. Stores bile
    Gallbladder
  30. Largest organ in the body
    Liver
  31. Produces bile and breaks down toxins
    Liver
  32. Secretes digestive enzymes into duodenum; neutralizes chyme
    Pancreas
  33. Other pancreatic enzymes
    Lipases, amylases, proteases
  34. Acts as a filter system
    Liver
  35. Helps ferment feces
    Cecum.
  36. Processes of food digestion regulated by
    Enteric nervous system

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