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15 Cards in this Set
- Front
- Back
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Pathway food will take after it enters the body
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digestive system
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mouth>pharynx>esophagus>cardioesophageal>sphincter>stomach> pyloric sphincter> small intestine
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(duodenum,jejunum,ileum)> large intestine(ascending,transverse,descending)>rectum>anus
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process of altering the physical state and chemical composition of food so that it can be absorbed and utilized by cells of the body.
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digestion
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____ is accomplished mainly by acids and enzymes secreted into the digestive tract.
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digestion
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when digestion is complete, the resulting small molecules will pass through the cells of the intestinal tract entering blood and lymph
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absorption
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release of water, acids, enzymes, and buffers
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secretions
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food enters the mouth and the mouth contains
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-roof: hard and soft palate
-floor: tongue -lining: contain nerve ending |
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functions of the tongue
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talk, taste, swallow, chew, cleaning teeth
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structure of the tongue
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contains muscle bundles that live in different plains. covered by papillae(gives it a velvet appearance)
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structure of tongue
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also contains taste buds that are found between the papillae and are sensory receptors that sends messages to the cerebrum
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functions of the teeth
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divide food into smaller pieces mastication: to chew
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Two sets of teeth
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-deciduous teeth: baby teeth
-permanent teeth |
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special cells that dissolve the roots of baby teeth
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odontoclasts
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salivary glands
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-parotids: in front of ears, largest; where you have mumps
-submadibular-near angle of lower jaw -sublingual: under tongue |
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region at the back of your mouth; shared by the digestive and respiratory tract
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pharynx
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