Human Body System Lesson 4. In your mouth Teeth and tongue mechanical digestion Biting/TearingChewing

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Presentation transcript:

Human Body System Lesson 4

In your mouth Teeth and tongue mechanical digestion Biting/TearingChewing 7CwnCS25mgyve17- e1G9Y=&h=283&w=424&sz=53&hl=en&start=0&zoom=1&tbnid=ck2G6cUMRUV17M:&tbnh=137&tbnw=197&ei=2itATervFIecgQfFgtHZAg&prev=/images%3Fq%3Dteeth%2Bfor%2Bbiting%2Ban d%2Bchewing%26um%3D1%26hl%3Den%26sa%3DN%26biw%3D926%26bih%3D563%26tbs%3Disch:1&um=1&itbs=1&iact=rc&dur=140&oei=2itATervFIecgQfFgtHZAg&esq=1&page=1&ndsp =13&ved=1t:429,r:10,s:0&tx=103&ty=30 no.net/pro/sealants.html&usg=__CuAEiVofpidB5QLkIP2V8ixCbm8=&h=293&w=270&sz=17&hl=en&start=14&zoom =1&tbnid=EQF1C6Dg8UE0qM:&tbnh=137&tbnw=128&ei=JyxATeaFB4P78AbJivHSBA&prev=/images%3Fq%3Dteet h%2Bfor%2Bchewing%26um%3D1%26hl%3Den%26biw%3D926%26bih%3D563%26tbs%3Disch:1&um=1&itbs=1& iact=rc&dur=63&oei=ISxATYupOMnagQfrqL3xAg&esq=2&page=2&ndsp=14&ved=1t:429,r:13,s:14&tx=104&ty=105

Bolus Bolus – chewed food mixed with saliva in your mouth. 3 salivary glands in your mouth –1.5 liters per day

Ivan Pavlov Conditioned Response Bell When do you normally eat?

Salivary Amylase Salivary Amylase – an enzyme that begins to chemically breakdown starch into simple sugars in your mouth. –Breakdown is not completed in mouth…why?