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WorksheetsDigestive system structures and functions
Total questions: 4
Worksheet time: 23mins
What is the difference between mechanical and chemical digestion?
Explain how the digestive tract works together to digest food.
Digestion is how the body changes food into (a) for the body to use.
The digestive tract is about (a) meters long.
Mechanical digestion breaks down food using (a) or muscle contractions.
Which of the following is NOT part of the digestive tract?
Mouth
Esophagus
Pancreas
Stomach
What is the role of the liver in digestion?
It eliminates undigested food.
It provides enzymes to break down food.
It uses bile to break up fat and processes food from the blood.
It absorbs nutrients from food.
Which part of the digestive system eliminates undigested food?
Small intestine
Large intestine
Anus
Stomach
How long does it typically take to completely digest food?
A few hours
One to two days
Three to four days
Less than an hour
Which parts of the digestive system work together to break down food in the small intestine?
Mouth and esophagus
Liver and pancreas
Stomach and large intestine
Anus and pancreas
11-15.
Answer the questions below after watching the video
What is the involuntary muscular force that propels food through the digestive tract?
Digestion
Peristalsis
Absorption
Secretion
What protects the stomach lining from the powerful hydrochloric acid it produces?
A layer of fat
A thick mucus lining
Constant neutralization by basic enzymes
Rapid food movement
Which type of food takes the longest to digest?
Simple carbohydrates
Proteins
Fats
Vitamins
What is the primary function of villi in the small intestine?
To produce digestive juices
To increase surface area for nutrient absorption
To propel food forward through peristalsis
To absorb excess water
Label the digestive system.
Anus
Large Intestine
Mouth
Esophagus
Stomach
