Transcript Digestive System - Lemoore Elementary School

Digestive System
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Esophagus
The esophagus is a muscular tube connecting the
throat pharynx with the stomach. The esophagus
is about 8 inches long, and is lined by moist pink
tissue called mucosa. The esophagus runs
behind the windpipe trachea and heart, and in
front of the spine. Just before entering the
stomach, the esophagus passes through the
diaphragm.
Stomach
The stomach is a muscular hollow, dilated
part of the Digestion System which Orgon
functions as an important of the digestive
tract in some animals including vertebrates
echinoderms insects mid-gut and
molluscs. It is involved in the second
phase of digestion following mastication
chewing.
Small Intestine
The intestines are a long continuous tube running from the stomach to the
anus. Most absorption of nutrients and water happen in the intestines. The
intestines include the small intestine large intestine, and rectum.
The small intestine small bowel is about 20 feet long and about an inch in
diameter. Its job is to absorb most of the nutrients from what we eat and drink.
Velvety tissue lines the small intestine, which is divided into the duodenum
Jejunum and Ileum.
Large Intestine
The mucosa of the large intestine is
punctuated with numerous crypts that
absorb water and are lined with mucus
secreting goblet cells. At the lower end
of the rectum the circular and
longitudinal muscle layers terminate in
the internal and external anal
sphincters.
Liver
The liver is a large meaty organ that sits on the
right side of the belly. Weighing about 3 pounds
the liver is reddish brown in color and feels
rubbery to the touch. Normally you can't feel the
liver because it's protected by the rib cage.
• The liver has two large sections, called the right
and the left lobes. The gallbladder sits under the
liver along with parts of the pancreas and
intestines. The liver and these organs work
together to digest absorb, and process food.
Appendix
The appendix sits at the junction of the small intestine and large intestine. It’s a thin tube
about four inches long. Normally the appendix sits in the lower right abdomen.
Pancreas
Gall Bladder
Enzymes
Bile/ Bile Duct
Mucus
Mucus is a germy not
like healthy thing
Chemical Digestion
Absorption
Mechanical Digestion
Salivary Amylase
Villi
Gastric Juices
Duodenum
Chyme
• The Chyme
Bibliography
• What is the human Mouth /what is the human
Esophagus/ what is the human Large Intestine/ what is
the human Small Intestine/ what is the human Stomach/
what is the human Liver/ what is the human Appendix/
what is the human Pancreas/ what is the human Gall
Bladder/ what is the human Enzymes/ what is the human
Bile/ Bile Duct/ what is the human Mucus/ what is the
human Chemical Digestion/ what is the human
Absorption / what is the human Mechanical Digestion/
what is the human Salivary Amylase/ what is the human
Villi/ what is the human Gastric Juices/ what is the
human Duodenum/ what is the human Chyme.