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Bio 254 Exam 2- Digestive System Only Correct 100% $11.09   Add to cart

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Bio 254 Exam 2- Digestive System Only Correct 100%

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Functions of the Digestive System -ANSWER Prepares nutrients for absorption, modify food in both physical and chemical state so it can be used by the body alementary canal -ANSWER Extends from the mouth to the anus Walls of the GI Tract from Inside Out -ANSWER Mucosa, Submucosa, Muscularis, S...

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  • March 15, 2024
  • 9
  • 2023/2024
  • Exam (elaborations)
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  • Bio 254
  • Bio 254
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Bio 254 Exam 2- Digestive System Only Correct 100%
Functions of the Digestive System -ANSWER Prepares nutrients for absorption, modify food in both physical and chemical state so it can be used by the body
alementary canal -ANSWER Extends from the mouth to the anus
Walls of the GI Tract from Inside Out -ANSWER Mucosa, Submucosa, Muscularis, Serosa
Mucosa Layer -ANSWER Innermost GI layer
What is the mucosa layer made of ? -ANSWER Epithelium
Function of the Mucosa Layer -ANSWER Protection and Absorption
What is in the Submucosa Layer -ANSWER Glands, blood vessels, and parasympathetic nerves
What is the submucosa made of? -ANSWER Fibrous connective tissue
Function of the submucosa? -ANSWER Aids with secretion of enzymes; Helps with flexibility and distention
What is the Muscularis Layer made of? -ANSWER Smooth muscle
Function of the muscularis layer? -ANSWER Moves contents of the alimentary canal towards the anus
What is the outermost layer of the GI tract? -ANSWER Serosa
What is Serosa made of? -ANSWER Serous membrane
Functions of the serosa membrane? -ANSWER Lubrication and prevention of friction and erosion of the GI tract
Folds of Serous Membrane -ANSWER Mesentary
Lumen -ANSWER opening in the middle of the GI tract
Where do digestive enzymes empty their products? -ANSWER Into the Lumen What type of glands empty secretions into the lumen? -ANSWER Exocrine
Midline of the upper lip -ANSWER Philtrum
What internally covers the lips? -ANSWER Mucous membrane
What forms the cheeks? -ANSWER Adipose tissue and buccinator muscle
Separates the oral and nasal cavities -ANSWER Hard and Soft Palate
What is the hard palate made of? -ANSWER Bone (2maxilla 2 palatines)
what is the soft palate made of? -ANSWER Muscle veered by a mucous membrane
Three divisions of the tongue -ANSWER Root, body, tip
Function of the tongue? -ANSWER Manipulates food during chewing; aides in speech
Three types of salivary glands -ANSWER parotid, submandibular, sublingual
Consistency of Enzymes produced by the Parotid glands -ANSWER Watery saliva containing enzymes
Consistency of enzymes produced by the Sublingual glands -ANSWER Mucous saliva containing enzymes
Consistency of the enzyme produced by the submandibular glands? -ANSWER Watery and Mucous saliva containing enzymes
Organs of Mastification -ANSWER Teeth
Crown -ANSWER the exposed portion of the tooth
Enamel is made of? -ANSWER Minerals
Pulp of the tooth -ANSWER contains the nerves and blood vessels
Incisors -ANSWER Used to bite off pieces of food
Cuspids/bicuspids (Canines and pre-molars) -ANSWER Used to grasp and tear food
Molars -ANSWER Used to crush and grind food
pharanyx -ANSWER Tube through which food goes from the mouth to the esophagus

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