Q1. [1] straightforward initial-understanding
Peristaltic movements occur in the gut to move food forward. These movements are produced by:
(a) The teeth crushing the food
(b) The rhythmic contraction of muscles in the lining of the alimentary canal
(c) The action of digestive enzymes
(d) The flow of saliva
- a The teeth crushing the food
- b The rhythmic contraction of muscles in the lining of the alimentary canal
- c The action of digestive enzymes
- d The flow of saliva