Page 1 :
reduction of ingested nutrients which can be, then converted to energy for use., , + Human digestive system- consists of the, long alimentary canal that includes mouth,, pharynx, oesophagus, stomach, small, intestine, large intestine, rectum and anus., , * Organs for assistance- pancreas, liver, Nutrition in humans:, , , , Salivary glands, , Gall bladder, , , , , , , Pancreas —, Large intestine, , Small intestine, , Rectum, , Anus, , MME. Salivais secreted by salivary glands, located under the tongue which contains, digestive enzymes like salivary amylase,, which break down starch into sugar. So,, digestion of carbohydrates starts in the, mouth itself., , + Tongue helps in chewing, moistening,, rolling and swallowing of food., , * The food from mouth then goes down, the oesophagus, which is the food pipe to the, stomach, through the movement of walls of, oesophagus (peristalsis)