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Understanding the Digestive System Functions

Total questions: 10

Worksheet time: 7mins

Name
Class
Date
1.

What is the primary function of the digestive system?

a)

To circulate blood throughout the body

b)

To break down food and absorb nutrients

c)

To produce hormones

d)

To protect against infections

2.

Which enzyme is primarily responsible for breaking down carbohydrates in the mouth?

a)

Pepsin

b)

Amylase

c)

Lipase

d)

Trypsin

3.

What's this part of the Digestive System?

a)

Oesophagus

b)

Pharynx

c)

Mouth

d)

Stomach

4.

Peristalsis refers to

a)

one of the digestive organs

b)

the action of the stomach

c)

heart rate increasing

d)

smooth muscles moving food through the digestive system

5.

When food is chewed, mixed, and churned __________ digestion is taking place.

a)

Chemical

b)

Mental

c)

Emotional

d)

Mechanical

6.

Amylase turns starch into ..

a)

Proteins

b)

Fats

c)

Carbohydrates

d)

Glucose

7.

What is the function of the teeth and tongue

a)

chemical digestion

b)

break down food

c)

mechanical digestion

d)

they only chew food

8.

The muscular tube that moves food from the pharynx to the stomach?

a)

esophagus

b)

small intestine

c)

stomach

d)

mouth

9.

A bolus...

a)

helps digest starch

b)

is a combination of saliva and food

c)

creates antibacterial activity in the mouth

d)

acts as a lubricant

10.

Which structure prevents food from entering the trachea? 

a)

larynx

b)

soft palate

c)

pharynx

d)

epiglottis