human digestive system: Media
Videos
The small and large intestines animated
Most of the digestive process occurs in the small intestine, which channels water...
Is the mesentery a distinct organ?
Learn more about the mesentery, a continuous folded band of membranous tissue that...
How are different systems of the human body connected?
A discussion of the organ systems of the human body and their influence on one another.
Images
human digestive system
The human digestive system as seen from the front.
Encyclopædia Britannica, Inc.
abdominal organs
The abdominal organs are supported and protected by the bones of the pelvis and ribcage...
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structures of the human stomach
The stomach has three layers of muscle: an outer longitudinal layer, a middle circular...
Encyclopædia Britannica, Inc.
structures of the small intestine
The inner wall of the small intestine is covered by numerous folds of mucous membrane...
Encyclopædia Britannica, Inc.
structures of the human large intestine, rectum, and anus
The mucosa of the large intestine is punctuated with numerous crypts that absorb...
Encyclopædia Britannica, Inc.
microscopic structure of the human liver
Liver cells, or hepatocytes, have direct access to the liver's blood supply through...
Encyclopædia Britannica, Inc.
structures of the human pancreas
Acinar cells produce digestive enzymes, which are secreted into tiny ducts that feed...
Encyclopædia Britannica, Inc.
calcium; human nutrition
Calcium is essential for healthy bones and teeth. Dairy products, such as milk, cheese,...
iStockphoto/Thinkstock
Taste buds
Taste buds on the human tongue exhibit sensitivity to specific tastes.
Encyclopædia Britannica, Inc.
Interactives
human body systems interactive
Interactive diagram of the major systems of the human body starting on the digestive...
Encyclopædia Britannica, Inc.
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