Worksheetsdigestive system
Total questions: 49
Worksheet time: 24mins
Where does the digestive system start?
The liver
The throat
The stomach
The mouth
What carries food from the pharynx to the stomach?
larynx
trachea
esophagus
bronchioles
What type of digestion takes place in the stomach?
mechanical
chemical
both mechanical and chemical
Where does the process of digestion begin?
mouth
esophagus
stomach
small intestine
What enzyme is found in saliva that starts digesting carbohydrates?
amylase
chyme
pepsin
bile
Where does the absorption of nutrients from food take place?
stomach
liver
small intestine
large intestine
What part of the digestive system mechanically and chemically breaks down food?
mouth
stomach
both the mouth and stomach
What chemically breaks down food into smaller molecules?
teeth
muscles of the stomach
enzymes
What are the rhythmic muscular contractions of your esophagus called to help food move along?
swallowing
peristalsis
inertia contractions
paralysis
What does the pancreas do?
produces digestive enzymes to break down proteins and fats
produces sodium bicarbonate to neutralize stomach acid
regulates our blood sugar levels
all answers are correct
Which organ prevents food from entering the windpipe?
The uvala
The tongue
The trachea
The epiglottis
The partly-digested food in the stomach leaves into
The gullet
The appendix
The small intestine
The large intestine
The gastrointestinal tract (GI tract)includes all the following, EXCEPT
Esophagus
Liver
Stomach
Small intestine
Where does the digestion of proteins take place?
Mouth and stomach
Stomach and small intestine
Mouth and small intestine
Mouth, stomach and small intestine
Where does the digestion of carbohydrates take place?
Mouth
Mouth and Stomach
Mouth and small Intestine
Mouth and large intestine
Stomach
Where does the digestion of lipids take place?
Stomach
Stomach and small intestine
Small intestine
Mouth, stomach and small intestine
Mouth and small intestine
What is the aim of the digestion?
Obtain matter and energy
Obtain nutrients from food and break it down into small molecules, which are then absorbed
Break down food into inorganic nutrients
Obtain nutrients form food and transport it to the cells
Which are the nutrients digested in the mouth?
Carbohydrates and proteins
Proteins
Carbohydrates
Fats
All the abov
. Which are the nutrients digested in the stomach?
Carbohydrates
Proteins
Carbohydrates and proteins
Fats
All the above
Which are the nutrients digested in the small intestine?
Carbohydrates and proteins
Proteins
Carbohydrates, proteins and lipids
Lipids and proteins
Lipids
What is the enzyme contained in the saliva?
Amylase
Pepsine
Hydrochloride acid
Lipase
Where is the bile stored?
Liver
Gall bladder
Pancreas
Small intestine
Which is the nutrient that bile facilitates its digestion?
Proteins
Lipids
Carbohydrates
Protein and lipids
Where is the bile produced?
Liver
Pancreas
Salivary glands
Gall bladder
What is the function of the villi?
To increase the absorption surface
To digest the last nutrients
To form feces
To comb the small intestine
What is the function of the large intestine?
The absorption of water and some vitamins, formation and storage of faeces
The absorption of nutrients
The digestion of fats
Transport the nutrients to the blood stream
Which of the following answers correctly sequences the pathway food takes from the beginning to end?
mouth, esophagus, stomach, small intestine, large intestine
mouth, esophagus, stomach, large intestine, small intestine
mouth, stomach, esophagus, small intestine, large intestine
mouth, stomach, esophagus, large intestine, small intestine
Which organ stores and releases bile?
liver
gallbladder
pancreas
What is the term given to a ball-like mixture of food and saliva that forms in the mouth?
Peristalsis
Mucus
Epiglottis
Bolus
What is the acidic fluid that passes from the stomach following churning?
Bolus
Chyme
Hydrochloric acid
Enzymes
What are these structures call that are found on the lining of the small intestine?
Gallbladder
Villi
Sphincter
Duodenum
Proteins break down to:
fatty acids
nucleic acids
amino acids
hydrochloric acids
Pancreatic lipase breaks fats down into two digestive products
free fatty acids and monosaccharides
free fatty acids and triglycerides
free fatty acids and monoglycerides
monosaccharides and triglycerides
All following fact about digestion of fats are true EXCEPT
fats enter the endoplasmic reticulum once absorbed
digested fats enter the lymphatic system before entering the bloodstream
fats are first coated with proteins before exiting the epithelial cell
fats are reassembled in the muscular cells of the stomach
After digestion, fats enter the lymphatic capillaries called
lacteals
chylomicrons
vili
brush border
Where does fat digestion take place
stomach
small intestine and the stomach
mouth and the stomach
small and large intestine
small intestine
what best defines bile salts
emulsifier
fat digesting enzyme
lipid transporter
synthesizer of lipids
Lipids are important in constructing
cellular transporters
ATP
cell membranes
hormones
collagen
Chylomicrons are ______ that coat triglycerides and aid in digestion of lipids
proteins
fatty acids
monosaccharides
glycols
Carbohydrates are broken down in the small intestine by which of the following?
pancreatic amylase
salivary amylase
peptidase
lipase
The small intestine can most easily absorb which of the following
disaccharides
polysaccharides
monosaccharides
starch
fiber
