Digestive System 1
Where does the process of digestion begin?
Mouth
This organ transports food from the mouth to the stomach
esophagus
Correctly order the parts of the small intestines from first to last
duodenum, jejunum and ileum
What is the name for a chemical that speeds up a chemical reaction in the body. Examples of this are amylase or pepsin
Enzyme
What is in saliva that begins the breakdown of carbohydrates?
Amylase
Name the organs of the digestive tract and put them in the correct order of digestion (Hint: 6 organs, from guided notes)
Mouth, pharynx, esophagus, stomach, small intestine, large intestine
What is the name of the structure that keeps bolus, chyme and gastric juices from going back into the esophagus?
Cardiac sphincter
Our stomach is lined with folds / wrinkles that help it expand when filled with food. What are they called?
rugae
What is the name of the first part of the large intestines?
Cecum
Name two of the accessory organs found in the mouth.
tongue, teeth, salivary glands
What is the function of the small intestines? What happens here?
Absorb nutrients
What is an example of chemical digestion?
breaking down food by enzymes by saliva or stomach acids
The mixture of food and stomach acid that leaves our stomach and goes to the small intestine is called _________
chyme
This part of the intestines travels across the top of the abdominal cavity.
transverse
This area is part of the digestive and respiratory systems. It connects the nasal and oral cavities. Located above the esophagus.
pharynx
This organ absorbs excess water, stores and transports waste
large intestine
What other body system works closely with the digestive system to absorb the nutrients and send them throughout the body?
Circulatory system
If this valve (located between the stomach and small intestine) does not function properly, nutrients will not make it to the small intestine to be absorbed.
pyloric
Name the 3 accessory organs that aid in digestion.
BONUS - name a 4th that seems to no longer serve any purpose
Liver, pancreas, gallbladder
appendix
This med term means liver
hepat/o
What type(s) of digestion occur(s) in the mouth?
chemical and mechanical
What are the small finger-like structures in the small intestine that help absorb nutrients?
Villi
What is the movement or contraction of the muscles around the esophagus to allow food to pass through?
Peristalsis
What fluid is made and released by the liver and stored in the gallbladder. It helps with digestion and breaks down fats.
Bile
The small intestine is approximately __ ft long
The large intestine is approximately __ ft long
20 ft
5 ft