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WorksheetsDIGESTIVE SYSTEM
Total questions: 15
Worksheet time: 8mins
In what process do animals take in food that provides energy and nutrients?
assimilation
digestion
excretion
ingestion
The process in which digested foods are distributed into different parts of the body cells are _______.
assimilation
digestion
excretion
ingestion
What is the process of turning food into smaller molecules with the aid of enzymes?
churning
mastication
chemical digestion
mechanical digestion
Where does the final stage in the digestion of food happen?
liver
mouth
small intestine
large intestine
What type of enzyme present in saliva helps break down starch?
amylase
lactase
lipase
maltase
Which of the following breaks down food into tinier pieces to begin mechanical digestion?
esophagus
stomach
teeth
tongue
What organ system is responsible for breaking down large molecules into smaller molecules and absorbing organic compounds needed by the body?
circulatory system
digestive system
Nervous system
respiratory system
What is the main function of the large intestine?
It breaks down hemoglobin.
It secretes digestive enzymes.
It regulates the release of bile.
It reabsorbs water from chyme.
What do you call the wavelike contraction of the smooth muscles of digestive tract pushes food in small sections through the gastro-intestinal tube?
mixing movement
parietal movement
contractile movement
peristaltic movement
If the liver is severely damaged, metabolism of which nutrients would be most affected?
carbohydrates
lipids
proteins
All of the above
What is the most essential function of the intestinal villi?
pushes the fecal matter into the rectum
increases surface area for nutrient absorption
secretes serous fluid to decrease friction among the organs
secretes mucous to facilitate the movement of chyme via the alimentary canal
Which of the following shows the correct sequence of the processes involved in the human digestive system?
assimilation, absorption, ingestion, digestion, and egestion
digestion, ingestion, assimilation, egestion and absorption
egestion, absorption, digestion, assimilation and ingestion
ingestion, digestion, absorption, assimilation and egestion
What is the term for the food that is chewed and mixed with saliva that turns into a moist ball?
bolus
chyme
feces
gastric juice
It is the process by which the nutrients from the digested food move into the blood vessels passing through the lining of the small intestine.
assimilation
digestion
egestion
elimination
Which of these substances is an enzyme that digests protein in the stomach?
amylase
hydrochloric acid
pepsin
saliva
