Alimentary Canal Contains Following Parts
Transverse slit like aperture. Oral Cavity :
It is bounded by lips & has cheeks, gums, teeth & tongue.
The food taken inside oral cavity is masticated i.e. mechanically broken into smaller particles before being swallowed.
The floor of the buccal cavity has a tongue bearing taste buds.
Man possesses teeth on both the jaws, there are 32 teeth of four different types, namely incisors, canines, premolars & molars. Dental Formula :
मनुष्य में I
x 2 = Total 32 Teeths Pharynx :
It is short conical region that lies after the mouth cavity. Oesophagous :
It is a long narrow muscular tube which leads to the stomach. No digestive gland are present. Stomach :
It lies below the diaphragm on the left side of abdominal cavity is J-shaped. Small Intestine :
It is convoluted tube and differentiated into 3 regions, viz. (a) Duodenum
Duodenum which is the first part of small intestine & is curved C-shaped; (b) Jejunum
Jejunum, comparatively longer & more coiled and (c) Ileum
Ileum, which is the last part of small intestine whose inner surface is folded to form villi, which absorbs the products of digestion.