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DIGESTIVE SYSTEM

(HUMANS)

Microvilli

Blood

capillaries

Lacteal

Glands

Absorptive

cells

Arteriole

Venule

Gl tract

mucosal

layer

Liver (bile)

Gall bladder

Common

bile duct

Duodenum

Ascending

colon

Caecum

Appendix

Nasopharynx

Mouth

Oropharynx

Mastication and

secretion of

salivary amylase

Oesophagus

Stomach

Pancreas

Jejunum

Transverse colon

Descending colon

Ileum

Sigmoid colon

Rectum

Anus

Hydrochloric acid

Pepsinogen

Intrinsic factor

Pancreatic enzymes

The digestive system is a group of organs working together to convert food into energy and basic nutrients to feed the entire body. Food passes through a long tube inside the body known as the alimentary canal or the gastrointestinal tract (GI tract). The alimentary canal is made up of the oral cavity, pharynx, esophagus, stomach, small intestines, and large intestines. In addition to the alimentary canal, there are several important accessory organs that help your body to digest food but do not have food pass through them. Accessory organs of the digestive system include the teeth, tongue, salivary glands, liver, gallbladder, and pancreas. To achieve the goal of providing energy and nutrients to the

LIVER, GALLBLADDER, PANCREAS AND BILE PASSAGE

Liver and Gallbladder