Digestion And Absorption

Liver is the largest gland o f the body, weighing 1200-1600 g. situated in top right portion of the abdominal cavity. The liver recieves the products of digestion dissolved in the blood via the hepatic portal vein and its most important functions are to convert excess glucose to the storage product glycogen, which serves as a food reserve

Putrefying bacteria are found in colon

Protein digesting enzymes are known as proteinases. Rennin and pepsin are protein digesting enzymes of gastric juice, secreted from stomach. Trypsin is also a protein digesting enzyme secreted from pancreas and digested protein in intestine. Proteninase breaks peptide bond, which is present between two amino acid of a protein.

The floor of the buccal cavity is formed with the tongue or lingua. The tongue is a highly muscular structure containing voluntary muscles. It is attached to the floor of buccal cavity with the help of a connective tissue fold called frenulum linguae.

Liver synthesises vitamin from -carotene. The latter is an orange-yellow substance of carrot