Question

29
the mechanical breakup of food particles in the mouth is called _
multiple choice
absorption
mastication
salivation
peristalsis

Explanation:

• Absorption is the process of nutrients entering the bloodstream, not mechanical breakup.
• Mastication is the act of chewing, which mechanically breaks up food particles in the mouth.
• Salivation is the production of saliva, not related to mechanical breakup.
• Peristalsis is the wave - like muscle contractions in the digestive tract (not specific to the mouth for mechanical breakup).

Answer:

B. mastication