organs systems

Digestive system:  The digestive system in human beings is a form of a long muscular tube called the gastrointestinal tract (GIT) or alimentary canal and accessory organs.  The GIT pass through the ventral body cavity it extends from the mouth to the anus and consists of the oral cavity, pharynx, esophagus, stomach small/large intestine, rectum, and anal canal Oral cavity:  The oral cavity is an irregular space that is bounded by muscles and bones. The oral cavity contains the lips, cheeks, gums, tongue, and plate. The mouth contains the following glands  1 parotid                                               2 sublingual                                                    ...