22. List the organs of human alimentary canal and name the major digestive glands with their location.
Human digestive system consists of two main parts, alimentary canal and digestive glands.
Alimentary canal comprises of following parts
(i) Mouth
(ii) Pharynx
(iii) Oesophagus
(iv) Stomach
(v) Small intestine
(vi) Large intestine
(vii) Rectum
(viii) Anus
Digestive glands include
(i) Salivary glands are situated just outside the buccal cavity and secrete salivary juice into it.
(ii) Liver is the largest gland in the body, situated in the abdominal cavity just below the diaphgram and has two lobes. It secreates bile which helpsin the digestion of fats.
(iii) Pancreas is the compound organ situated between the limbs of U-shaped duodenum acting as endocrine and exocrine organ. The exocrine portion secretes pancreatic juice where endocrine portion secretes hormones like insulin and glucagon.
