Possible Clues:

• Part of the digestive system
• Part of food processor in a mess, little pumpkin ultimately churned up
• Lentils and meats in different food processor
• Mint essential to move round large digestive organ
• It helps one digest second rich source covering comprehensive exam
• Outlet from the stomach
• Function involving end of exam: every candidate taking part received a little food course
• Labour's leader is sentimental about part of the body