WorksheetsDigestive system
Total questions: 18
Worksheet time: 14mins
Bile is produced by the ________
brain
pancreas
gallbladder
liver
All are functions of the digestive system EXCEPT
breakdown of food
bringing oxygen to the body
absorption of nutrients
elimination of waste
chemical digestion
uses digestive juices and enzymes to break down food at the molecular level
the movement of molecules from the small intestine into the bloodstream
the process of absorbing and using nutrients in the body
the removal of waste from the body as feces
mechanical digestion
taking food into the mouth
the chemicals which are found in food that the body needs for growth and repair of tissues
the physical breakdown of food into smaller pieces through chewing or churning in the stomach
smooth muscular movements which push the food along the digestive tract
peristalsis
taking food into the mouth
smooth muscular movements which push the food along the digestive tract
the physical breakdown of food into smaller pieces through chewing or churning in the stomach
the chemicals which are found in food that the body needs for growth and repair of tissues
What carries food from the pharynx to the stomach?
larynx
teeth
esophagus
salivary glands
What type of digestion takes place in the stomach?
mechanical
both mechanical and chemical
chemical
physical
Where does the process of digestion begin?
mouth
stomach
small intestine
large intestine
What enzyme is found in saliva that starts digesting carbohydrates?
chyme
pepsin
amylase
bile salt
Where does most of the absorption of nutrients from food take place?
mouth
esophagus
stomach
small intestine
What are these structures call that are found on the lining of the small intestine?
Gallbladder
teeth
small intestine villi
esophagus
This organ absorbs water from digested food
mouth
stomach
small intestine
large intestine
This organ produces several enzymes that chemically break down food, food does not pass through this organ
gallbladder
pancreas
stomach
liver
If the liver is not functioning properly, what would most likely be the result?
food would not be able to move into the small intestine
water would not be absorbed
fats would not be digested
it would not affect digestion
when you have a bad case of diarrhea (拉肚子). Which organ is most likely not functioning properly?
stomach
liver
small intestine
large intestine
Which macromolecule is used as our main source of energy?
carbohydrates
lipids
proteins
DNA
What factor will NOT affect your BMR?
hair color
age
daily activities
weight
Give an example of how an organ's structure can affect its function.
