Flashcards in Digestive System Deck (49)
What are the 12 teeth used for mashing and grinding?
What are the 8 teeth used for mashing and tearing?
What are the 4 teeth used for tearing?
What are the 8 teeth used for cutting?
How many total teeth do adults have?
How many baby teeth do we have?
Where is the crown located?
Above the gumline
Where is the root located?
Below the gumline
What is enamel made out of?
What is dentin?
What is pulp?
What does the root canal hold?
nerves and blood vessels
What is the hard palate used for?
What is the soft palate used for?
What are the two functions of the tongue?
Creating food boluses
What are the 5 basic taste sensations?
Sour, Sweet, Salty, Bitter, umami
What do the salivary glands do?
Contains enzyme amalyse for starch digestion
What are the 3 salivary glands?
Parotid, sublinguial, Submandibular
What are the three stages of swallowing?
Voluntary, pharyngeal, and esophageal
What is peristalsis?
Involuntary movement of the smooth muscle which moves food through the digestive system
What are rugae?
Folds in stomach
What is contained on the inner layer of the stomach?
What is located in the middle layer of the stomach?
Sub-mucosal blood vessels
Where is the pyloric sphincter?
Between the stomach and small intestine
What organ filters the blood, removing toxins and ammonia?
What does the liver store?
vitamins and glycogen
How does the liver relate to the gall bladder?
Secretes bile to gall bladder
What does bile do?
Emulsifies fats in duodenum
What is the accepted age of the earth?
4.5 billion years