Digestive System

Question 1

What is peristalsis?

Answer 1

Peristalsis are wave-like contractions that move the food bolus along the digestive tract

Question 2

What is segmentation?

Answer 2

Segmentation is a muscular activity that mixes and fragments the chyme

Question 3

What are the three stages of swallowing?

Answer 3

Oral stage (mouth-pharynx)
Pharyngeal stage (pharynx-oesophagus)
Esophageal stage (oesophagus-stomach)