Digestion and absorption of food
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What is digestion
The breaking down of food into smaller proportions
What type of mechanical digestion happens in the mouth?
the teeth matriculate the food
what type of chemical digestion occurs in the mouth
salivary amylase breaks down starch to maltose
how many molars are there in the milk teeth
0
how many milk teeth are there
20
how many permanent teeth do we have
32
what causes cavities
acids from sugars erodes the tooth enamel
what is the tube that caries food from the mouth to the stomach?
esophagus
peristalisis is?
the movement of food through the alimentry canal by which the the muscles move the food through
the mechanical digestion which happens in the stomach is ?
churning
the chemical digestion which take palce in the stomach is ?
pepsin and reinin breakes down protein to poly-petites
what is excreted in the stomach for digestion
• mucus • pepsin and rennin • hydrochloric acid (hcl)
pepsin has a ph optimum of?
3.1
what is the juice that is the end result of churning?
chyme
what happens to fat in the duodenum
fat is emulsified by bile
in which organ is bile made?
the liver
pancreatic juice is made up of?
• Lipase • Amylase • Peptides • Proteases(tripsin)
what is bile and pancreatic juice soposed to do?
• emulsify fat and glycerol • further break down poly-pepdites • further break down the maltose to glucose
what is the function of the villius
absorb the nutrients
what happens when digestion is finished what are the end products
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