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digestive is also known as
elemantary
digestive length
9 meters
1st layer
mucosa
2nd layer
submucosa
3rd layer
muscularis
4th layer
serosa
what is mucosa made of
epithelial tissue
what is submucosa made of
connective tissue
what is muscularis made of
smooth muscle tissue
what is serosa made of
epitelial
what does the muscularis do
circular and longitudinal parastalsis
what does the mucosa do
absorbs and secrets
what does the submucosa do
connects epithelial to muscle; takes care of the mucosa by taking it’s nutrients
mucosa is avascular (has no blood supply)
true
sub mucosa is avascular (has no blood supply
flase
fucntions of the digestive system
injest, propel, absorb, secrete, mechanical & chemical digestion.
mechanical digestion
not changing the food chemically, just (chewing or stomach moving)
chemical digestion
breaking down the food
real name for chewing
masticate