Ohne Titel

Digestive System Layout

Folie 2

Mouth

• - Thick stratified squamous epithelium lining of the mouth
• Consists of the
• - Tounge - composed of skeletal muscle. In the process of MASTICATION that grips food, moves and mixes food around the mouth with saliva and forms a bolus. When swallowing is collects the bolus created during MASTICATION it pushes it to the back of the mouth and down to the Pharynx. Addition to this it produces speech.
• - Pharynx - Pathway of the respiratory system and digestive tract. As well connects the mouth to the oesophagus and trachea.
• - Oesophagus - Lined with stratified squamous epithelium. The skeletal muscle at the beginning for swallowing and smooth muscle in the lower part.