Tusomesasa.

Describe the role of the stomach in digestion. (5 marks)

Suggested resposponses

Roles of the stomach in digestion: 

• Has a muscular valve called cardiac sphincter which allows food to enter into the stomach; and prevents backflow of food materials to the oesophagus;
• Stomach wall is made of circular and longitudinal muscles that contract and relax; this brings about churning of the food;
• The walls secrete...
  
  

  ---

  View full answer(s)