Portage Learning A&P 1 Module 3

What are the two main groups of digestive system? - Answer- 1. alimentary canal 2. accessory digestive organs What is the alimentary canal? - Answer- Continuous muscular digestive tube that runs from the mouth to the anus What are parts of the alimentary canal? - Answer- mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus What are the accessory organs of the digestive system? - Answer- teeth, tongue, gall bladder, salivary glands, liver, pancreas The mouth is made of what structures? - Answer- Lips (opening) tongue (floor) cheeks (walls) hard and soft palate (roof) Uvula (posterior border) What is the lingual frenulum? - Answer- Fold of mucous membrane that secures the tongue to the floor of the mouth What are the tongues attachment points? - Answer- hyoid bone mandible lingual frenulum What is mastication? - Answer- mechanical process of breaking down food with teeth what is amalyse? - Answer- Enzyme secreted by salivary glands that breaks down starches How many teeth are in the human mouth? - Answer- 32 What is the purpose of each tooth? - Answer- incisor = biting canine = tearing premolar = grinding flat molar = crushing Three main parts of the teeth - Answer- 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? - Answer- bone like substance of the tooth