Mouth, Oesophagus, and Stomach (Leaving Cert Biology): Flashcards

Breakdown of food so nutrients can be absorbed into bloodstream

Mechanical (physical) and chemical (using enzymes)

Physical breakdown without altering chemical composition

Uses enzymes to break down food molecules

Cut and slice food into manageable pieces

Grip and tear food

Main crushing, grinding and thorough chewing action

Converts starch into maltose

Destroys harmful bacteria

Rounded mass of processed food shaped by tongue

Covers trachea during swallowing to prevent choking

Wave-like muscle contractions that propel food through system

Around 2

Most significant protease enzyme in stomach digestion

Liquid mixture created by stomach churning