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What is another name for the gastroinestinal tract?
GI
What part in the structure of the digestive system is called the tunnel which is about 29 feet long?
alimentary canal
In the wall of the digestive tract, there is a hollow space inside called what?
lumen
What are the 4 layers of the tissue lining in the digestive tract?
mucus layer, muscular layer, nerves, blood vessels
In the blood vessel layer of the tissue lining, what do the blood vessels do?
transport nutrients
In the roof of the mouth, there are 2 palates - what are they?
hard palate and soft palate
what is the area right behind the tongue that has ridges?
Hard Palate
What is the area above the rear of the mouth without ridges?
soft palate
What does the Uvula do?
keeps food from going up into the nasal cavities
what is the main function for the palates and uvula?
they work together to send food the right way down the throat, not up the nose)
What type of muscle is the tongue?
skeletal
What is the tongue anchored to?
hyoid
What attaches the tongue to the floor of the mouth?
frenulum
What are the small bumps on the tongue?
papillae
What are the large bumps on the back of the tongue?
vallate papillae
The vallate papillae contain what important feature of the tongue?
taste buds
