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