Level 1
The organ in the digestive system that adds hydrocholric acid to the food
stomach
Where is the uvula located and what is its function?
oral cavity, produce saliva, prevent food from going up into the nasal cavity
What does the small intestine have to absorb nutrients (2 things)
villi and microvilli
What unit is the amount of energy in food measured in?
kilocalerie
what is the end section of the small intestine called?
ileum
The organ that absorbs water
large intestine
What is the beginning section of the small intestine called?
duodenum
Essential amino acids are
a. amino acids needed to make proteins.
b. amino acids our body makes.
c. amino acids our body cannot make and that must be in our diet.
d. all 20 amino acids in our body.
c. amino acids our body cannot make and that must be in our diet.
Is a passageway for air and food
Which organ contains bacteria for digestion and vitamin synthesis?
large intestine
Which of the following creates bile:
a. oral cavity.
b. pancreas.
c. gallbladder.
d. liver.
d. liver.
Bile is formed in the
a. liver.
b. gallbladder.
c. pancreas.
d. intestine.
a. liver.
What two parts are the roof of the mouth composed of? and where are each located?
soft palate - posterior
hard palate - anterior
What is the name of the sphincter that is at the end of the esophagus leading to the stomach
carioesophogeal
What valve leads from the small intestine to the large intestine?
Ileocecal valve
This organ stores bile
gallbladder
This circular muscle is between the stomach and the small intestine.
a. Lesser omentum
b. Ileocecal valve
c. Cardiac sphincter
d. Pyloric sphincter
d. Pyloric sphincter
The digestive process begins in the
oral cavity
What is the name of the cell that produces hydrochloric acid
parietal cells
Which nutrient provides quick energy for the body?
This organ produces enzymes to break down nucleic acids, protein, starch.
pancreas
The contraction and relaxation of muscle to move food through the digestive system
peristalsis
What are the functions of the digestive system?
Ingestion, digestion, absorption, defication
how long is the average small intestine
7 to 13 feet long
Which nutrient builds, maintains, and replaces the tissues in the body?
protein