oesophagus

Cards (10)

what is peristalsis
alternate wave-like contractions of circulate and longitudinal muscles in the gut wall
what is the epiglottis  
a small flap of cartilage that closes off the trachea during swallowing
what is the trachea
wind pipe
what happens if food enters the trachea
the person will choke
what is a spincter
ring like muscles that compartmentalize the gut into separate regions
what is the spincter between the esphogagus and the stomach
cardiac spincter
what is the spincter between the stomach and the duodenum
pyloric spincter
what happens if the cardiac spincter lets acid into the esophagus
if the acid refluxes into the esophagus it leads to heartburn as the stomach acid burns the esophagus, after time this can lead to holes in the esophagus and cancer
label the esophagus
label
how do longitudinal muscle and circular muscles contract
antagonistically for peristalsis