Chewing increases the surface area of food, helping to speed up the process of mechanical digestion. The contraction and relaxation of non-adjacent segments of circular smooth muscle in the intestines is known as segmentation.
What is mechanical digestion?
Mechanical digestion comprises physically breaking down food items into smaller chunks in order for chemical digestion to proceed more quickly.
Digestive enzymes further degrade the molecular structure of ingested substances into a state that can be absorbed into the bloodstream during chemical digestion.
Thus, option B is correct.
For more details about mechanical digestion, click here
https://brainly.com/question/1283194
#SPJ1
