Peristalsis Flashcards
1
Q
what is responsible for moving food along the gut
A
muscles
2
Q
what are the 2 muscle layers in the wall of the intestine called
A
the circular muscle layer and the longitudinal muscle layer
3
Q
what does the circular muscle layer do
A
their fibres are arranged in a ring around the gut. when they contract the gut is made narrower and when they relax the gut is made wider
4
Q
what does the longitudinal muscle layer do
A
their fibres run along the length of the gut. when they relax the gut is made narrower. when they contract the gut is made wider
5
Q
what do these muscle waves do
A
they push food along the gut (like a toothpaste tube)
