Q.Which one is incorrectly matched?
a. Pepsin – stomach
b. Renin – liver
c. Trypsin – intestine
d. Ptyalin – mouth

Three accessory glands feed their secretions into the alimentary canal without themselves lying inside it. The salivary glands (parotid, sub-maxillary and sub-lingual pairs) secrete saliva into the buccal cavity. The liver, the body's largest gland, is made of hepatic lobules and produces bile, which drains through the hepatic ducts and is stored and concentrated in the gall bladder before travelling down the common bile duct. The pancreas, lying within the curve of the duodenum, is a compound gland: its exocrine portion secretes pancreatic juice through th …