the digestive system ch 24 notes

alimentary canal (aka gastrointestinal tract); accessory digestive organs

2 main features of the digestive system

mouth, pharynx, esophagus, stomach, small intestine, large intestine (SSLEMP)

organs of alimentary canal/gastrointestinal tract

30 ft long

how long is the alimentary canal for a cadaver?

surface area, swallowing

purpose of teeth is to increase __ _ and ease _

palatine and lingual tonsils

mouth/oral cavity contains these 2 structures:

skeletal muscles

walls of the pharynx has __ __ (that can be controlled) to initiate swallowing

10 in length

how long is esophagus

peristalsis

function of the esophagus is to push food down the stomach by __, the involuntary contraction and relaxation of muscles.

4 layers

esophagus contains the same _ _ as the stomach, small intestine, and large intestine

mucosa, submucosa, muscularis externa, serosa

the 4 layers of esophagus, stomach, s. intestine, and l. intestine