Anatomy: Digestive system

It opens to let food go from the esophagus to the stomach and not let it go back

valve called the lower esophageal sphincter (LES) is located just before the opening to the stomach. What does this valve do?

about 7 m long, 2.5 cm, 250 square meters.

. The small intestine is ___ long, has a diameter of ___ and surface area equal to ___

muscles churn and mix the food with acids and enzymes glands make 3 quarts of digestive juices each day food leaves as a thick liquid called chyme

In the stomach

mouth

Label the digestive system:1st line on left

Esophagus

Label the digestive system:1st line on right

liver

Label the digestive system:2nd line on left

stomach

Label the digestive system:2nd line on right

pancreas

Label the digestive system:3rd line on right

small intestine

Label the digestive system:4th line in right

large intestine

Label the digestive system:4th line on left

Rectum

Label the digestive system:5th line on right

Mouth, Esophagus, Stomach, Liver, Pancreas, Small Intestine, Large Intestine, Rectum.

Organs involved in the digestive system include:

25 centimeters

The Esophagus, which is a narrow, muscular tube is approximately this long.

gall bladder, fats

The _____ stores bile before it is sent to the small intestine to break down ______.

Esophagus, stomach, and intestines

The alimentary canal or digestive tract is made up of the

nutrients

The digestive system breaks down food into

villi

The inner wall of the small intestine is covered with millions of microscopic, finger-like projections called ....... through which nutrients can be absorbed.

making enzymes; making bile and processing nutrients; and storing bile

The pancreas, liver, and gallbladder help digestion in these ways, respectively

duodenum

The small intestine is made up of three parts: the c-shaped first part is called the

jejunum

The small intestine is made up of three parts: the coiled midsection is called the

illeum

The small intestine is made up of three parts: the final section that leads into the large intestine called the

4L

The stomach can hold up to this much food.

peristalsis

Waves of muscle contractions called ....force food down through the esophagus to the stomach

breaks down food

What does the stomach do?

Stores bile and sends bile to small intestine to digest food

What is the role of the gall bladder?

Small intestine breaks down food with the enzymes. Duodenum, jejunum, ileum

What is the workhorse of the digestive system and what three segments make this up?

20 hours

Your digestive system works on the foods you eat for about

the intestines in the bloodstream

during the process of absorption ,nutrients from food go from

smooth muscles

these move food through the digestive system