Portage Learning A&P 1 Module 3 What are the two main groups of digestive system?(ANS-
- alimentary canal
- accessory digestive organs
What is the alimentary canal?(ANS- Continuous muscular digestive tube that runs from the mouth to the anus
What are parts of the alimentary canal?(ANS- mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus
What are the accessory organs of the digestive system?(ANS- teeth, tongue, gall bladder, salivary glands, liver, pancreas
The mouth is made of what structures?(ANS- Lips (opening) tongue (floor) cheeks (walls) hard and soft palate (roof) Uvula (posterior border)
What is the lingual frenulum?(ANS- Fold of mucous membrane that secures the tongue to the floor of the mouth
What are the tongues attachment points?(ANS- hyoid bone mandible lingual frenulum
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What is mastication?(ANS- mechanical process of breaking down food with teeth
what is amalyse?(ANS- Enzyme secreted by salivary glands that breaks down starches
How many teeth are in the human mouth?
(ANS- 32
What is the purpose of each tooth?(ANS- incisor = biting canine = tearing premolar = grinding flat molar = crushing
Three main parts of the teeth (ANS- Root - the largest portion of the teeth Neck- portion contained in upper portion of gingiva Crown- visible portion of tooth above gum line
What is Dentin?(ANS- bone like substance of the tooth
What is Enamel?(ANS- hard connective tissue which protects rest of the tooth
What is the purpose of the tongue?(ANS- grips food and constantly repositions between teeth as well as pushes bolus to pharynx
What types of papillae contain taste buds?(ANS- circumvallate, fungiform
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