Test - digestive system Flashcards
which nutrient is needed in order for all body processes to take place?
c. water
which of the following organs is considered to be a part of the alimentary canal?
e. none of these
what is bolus?
B. it is what food is called after it’s been partially broken down in the mouth
when chyme enters the small intestine,
none of these occur
witch nutrients are made up of amino acids?
proteins
what substance in the mouth contains an enzyme that begins chemical digestion
fiber
witch of the following is NOT a function of the digestive system
obtaining oxygen
chewing is an example of what kind of digestion
mechanical
where does digestion of carbohydrates begin
D
where does the alimentary canal end?
A
what digestive organ releases enzymes that help break down starches, proteins, and fats in the small intestine
pancreas
where does the most chemical digestion take place
duodenum
what is chyme
it is what food is called after it’s been digested by the stomach
nutrient molecules pass from the small intestine into the bloodstream through tiny structures called_______
villi
about half of the different _______ that make up proteins are made inside the body
amino acids
one of the roles of the______is to prepare waste material for elimination
large intestine
most chemical digestion takes place in the large intestine
small intestine
food is pushed through the esophagus to the stomach by the waves of muscle contraction known as absorption
F, peristalsis
bacteria in the esophagus make vitamin K
F, small intestine
the breakdown of complex food molecules into simpler molecules is mechanical digestion
F, chemical
using diagram A, name the structures that line or are found on the inside of organ C and describe their function
structures are villi. provide a large surface area of absorption
what specifically is the name of the area of organ C perform it’s function without organ B
C - duodenum are villi B - the pancreas
identify organ A and give its function
A is the liver, witch produces bile that helps to break fat down into smaller particles
identify organ D and give its function
stores bile.
