Disorders of digestive system:
(i) Jaundice : The liver is affected, skin and eyes turn yellow due to the deposit of bile pigment.
(ii) Vomiting: It is the ejection of stomach contents through the mouth and controlled by the vomit centre in the medulla oblongata.
(iii) Diarrhoea : Abnormal bowel movement and the faecal discharge with more liquidity, which leads to dehydration.
(iv) Constipation : The feces are retained within the rectum due to irregular bowel movement.
(v) Indigestion: Food is not properly digested leading to a feeling of fullness due to inadequate enzyme secretion, anxiety, food poisoning, over eating and spicy food.