Digestion 3: How the digestive system works

​What happens when we eat chicken rice?

Multiple Select

What nutrients does a plate of chicken rice contain?

• carbohydrates

• proteins

• fats

• none of the above

Multiple Choice

Only physical digestion occurs in the mouth.

• True

• False

Fill in the Blank

Saliva contains an enzyme that breaks down starch into partially digested carbohydrates. What enzyme does the saliva contain?

Multiple Choice

No physical and chemical digestion occurs in the gullet (oesophagus).

• True

• False

Multiple Choice

Gastric juices also contain hydrochloric acid. Hydrochloric acid digests carbohydrates, proteins and fats.

• True

• False

Multiple Select

What substances do you think are digested in the stomach? (You can choose more than one answer)

• carbohydrates

• proteins

• fats

Fill in the Blank

Gastric juices in our stomach contain an enzyme. Which enzyme does it contain?

Multiple Choice

Both physical and chemical digestion takes place in the stomach.

• True

• False

Multiple Select

What substances do you think are digested in the small intestine?

(Hint: Digestion is complete in the small intestines)

• carbohydrates

• proteins

• fats