Foundation Science Primary 4 Systems

Where are digestive juices first added to the food in the human digestive system?

A Gullet
B Small Intestine
C Mouth
D Stomach
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Worked Solution

Step 1: Recall the organs of the digestive system. Step [2-9]: Digestion begins in the mouth. Step [2-9]: Saliva contains digestive juices that start breaking down starch.

Correct answer: Mouth

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