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Thursday 23 August 2018

Science week 5-the digestive system

Mouth
-this is where we ingest food, with the help of our teeth
-canine teeth stab and and rip food
-incisors cut our food
-our molars (grind) the food
-the salivary glands release saliva into our mouth
-saliva starts to break down sugars and lubricates the food

Oesophagus
-this is a tube connecting the mouth to the stomach
-food is transported to the stomach

Stomach
-holds acid that breaks the food down more
-some foods are churned into a liquid

Small intestines
-sends digested food into the blood stream
-undigested food is transported into the large intestines

Large intsstines
-squeezes the liquid out of the undigested food
-turns it into faeces

Rectum
-holds the faeces until full

Anus
-releases faeces from the body

Why do we have a mouth?
We have a mouth to not only chew food, but to masticate the food, our mouth releases saliva that also helps with food digestion.
What else do you do with your mouth?
Talk, swallow, suck, lick, make weird noises

Interesting facts
-when you blush, the lining of your stomach also turns red.
-your gallbladder is shaped like a pear

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