Digstive System

Esophagus

A tube connecting the mouth or pharynx to the stomach

Stomach

An organ that prepares food for absorption by both physical and chemical activites

Small intestine

A 22-foot long muscular tube that breaks down food using enzymes released by the pancreas and bilef rom the liver

Large intestine

An organ of digesion in which water is absorbed

Saliva

A watery fluid secreted into the mouth; moistens food and begins digestion

Villi

One of the small projections lining the small intestine that specializes in the absorption of nutrients into the blood stream

Liver

Organ that preforms vital metabolic processes including filtration of blood, secretion of bile, and conversion of sugars into gylcoen

Gall bladder

A 4-inch, pear-shaped organ that is connected to the liver that stores bile, a combination fo fluids, fats, and cholesterol.

Mouth

Where digestion begins; it mechanicaly chews the food and mixes it with saliva to break it into smaller pieces

Appendix

A tube-shaped sac attached to the lower end of the large intestine.

How does food travel through the body?

Mouth
Esophagus
Stomach
Small Intestine
Large intestine (colon)
Rectum

What is peristalsis?

Wave-like muscular contractions that help the food move to your stomach

What does the stomach produce to continue the breakdown process of food into a usable form?

A strong acid and powerful enzymes