What is peristalsis?
Peristalsis is the mechanism by which gut muscles contract. There are two main types of muscle in the gut:
-longitudinal
-circular
Together, these muscles contract to create waves of movement. This allows food to travel through the digestive system.
SK
Related Biology GCSE answers
All answers ▸What is the difference between mitosis and meiosis?
Describe the pathway of blood flow through the pulmonary circuit
Explain how you would expect glycogen levels in the liver to change after a meal, and why it would change in that way.
Describe and explain mitosis