Question

What is mechanical digestion? Describe the first stage of mechanical digestion.

Answer 1

Answer:

Mechanical Digestion

The large pieces of food that are ingested have to be broken into smaller particles that can be acted upon by various enzymes. This is mechanical digestion, which begins in the mouth with chewing or mastication and continues with churning and mixing actions in the stomach.

Explanation:

Answer 2

Answer:

Mechanical digestion is the physical act of breaking down the food by non-chemical means. 

Mechanical digestion begins in your mouth with chewing, then moves to churning in the stomach and segmentation in the small intestine.