Content

• What is the primary function of the oral cavity in digestion?


  Ingestion, which starts mechanical and chemical digestion.
• How does the tongue assist in digestion?


  It helps break down food.
• What is the role of teeth in the digestive process?


  They break the food down into smaller pieces.
• What is the function of salivary glands?


  They produce saliva to help moisten the food.
• What does the soft palate do during swallowing?


  It rises to block the nasal cavity to stop food and drink from entering it.
• What is the function of the epiglottis?


  It blocks the trachea so food doesn't enter the lungs.
• What is the oesophagus?


  A muscular tube that takes food to the stomach.
• What does the lower oesophageal sphincter do?


  It regulates food before entering the stomach.
• What is the primary function of the stomach?


  Storage for food and helps digest the food, regulating the release of chyme.
• What is the role of the pyloric sphincter?


  It regulates the passage of chyme from the stomach to the duodenum.
• What is the duodenum?


  The first part of the small intestine where most chemical digestion takes place.
• What is the function of the liver in digestion?


  It produces bile which helps break fat into smaller pieces and stores bile to release when needed.
• What does the gall bladder do?


  It carries bile from the gall bladder to the duodenum.
• What is the function of the bile duct?


  It transports bile from the liver to the duodenum.
• What is the role of the pancreas in digestion?


  It neutralizes acidic chyme and regulates it.
• What is the jejunum?


  The second part of the small intestine that begins nutrient absorption using villi.
• What happens in the ileum?


  It is the last part of the small intestine where chemical digestion ends and contains lymph nodes that filter good bacteria.
• What is the appendix?


  A small part of the large intestine.
• What is the function of the caecum?


  It is joined to the small intestine and stores food waste that cannot be digested.
• What is the role of the large intestine?


  It stores food waste that cannot be digested.
• What does the rectum do?


  It stores faeces until you go to the toilet.
• What is the function of the anus?


  It is a muscle that regulates the release of faeces.