What layer of the digestive tract is the outermost layer that secretes a lubricating fluid to minimize friction for when the organs are moving to aid in digestion and absorption? A. Serosa B. Mucosa C. Submucosa D. Muscularis

Match the following layers of the digestive tract with their characteristics. Serosa Mucosa Muscularis SubmucosaA. Muscle layer that contracts for peristaltic movement to move the food moleculesB. Muscle layer that lines the lumen and forms numerous folds to absorb digested food moleculesC. Outer layer that secretes a lubricating fluidD. Highly vascular layer that receives absorbed nutrients and passes it to the blood and lymph vessels

The ____________ is the outer most layer of the digestive tract.mucosaserosasubmucosamuscularis

The layers of the gastrointestinal tract wall from the inside layer outward in order areMultiple Choicesubmucosa, muscularis, mucosa, serosa.serosa, submucosa, muscularis, mucosa.mucosa, submucosa, muscularis, serosa.muscularis, serosa, mucosa, submucosa.mucosa, muscularis, serosa, submucosa.

The mucosa layer of the small intestine is folded into what that projects into the lumen to increase absorption? A. Villi B. Lumen C. Muscularis D. Secretory glands

What sublayer of the mucosa is composed of loose connective tissue whose capillaries nourish the lining, absorb digested nutrients, and contains lymphoid tissue to defend against invasion by pathogens? A. Muscularis mucosae B. Submucosa C. Mucous epithelium D. Lamina propria