mechanical digestion

Noun

uncountable

(biology) The breaking of food into digestible chunks, normally using the teeth.

Japanese Meaning

食物を歯などの機械的な手段で細かく砕き、消化が容易な状態にする過程

In the digestive process, mechanical digestion begins when food is chewed by the teeth and mixed with saliva.

消化の過程では、食べ物を歯で噛み砕いて唾液と混ぜることで、機械的消化が始まります。

Sense（1）

(biology) The breaking of food into digestible chunks, normally using the teeth.