PSLE - Human Digestive System

Digestion is a process of breaking down food into ______________________.

• smaller substances

• simpler substances

• softer substances

• saliva

Name part B.

• small intestine

• windpipe

• gullet

• large intestine

At which part does digestion start?

• A

• B

• C

• D

• E

At which part does digestion end?

• A

• B

• C

• D

• E

At which part does digestion occur? You may choose more than 1 option.

• A

• B

• C

• D

• E

At which part is digested food absorbed into the blood stream?

• A

• B

• C

• D

• E

At which part is water absorbed into the blood stream?

• A

• B

• C

• D

• E

What is the function of the teeth in the mouth?

• To break down food into simpler substances

• To make the food softer

• To break down food into small substances

Which of the following shows how food travels through the digestive system before entering the blood?

• C -> E -> D -> F

• A -> B -> C -> D

• A -> B -> C -> E

• B -> C -> E -> D

Which part of the human digestive system contains the most amount of digested food when digestion is completed?

• mouth

• stomach

• small intestine

• large intestine