MUSCLE PHYSIOLOGY

Detailed explanation-1: -Peristalsis is a type of involuntary muscle movement that occurs in your digestive system.

Detailed explanation-2: -So, the correct answer is ‘Involuntary’.

Detailed explanation-3: -The movements that propel the food particles through the digestive tract are called peristalsis. These are rhythmic waves of contractions that move the food particles through the various regions in which mechanical and chemical digestion takes place.

Detailed explanation-4: -The movement of food in the alimentary canal or the contraction and relaxation of blood vessels are involuntary movements. We cannot start or stop them. Smooth muscles or involuntary muscles control such movements.