Standard Science Primary 5 Systems

Which of the following describes the correct path of air when we breathe in?

A Nose -> Heart -> Lungs
B Nose -> Windpipe -> Lungs
C Nose -> Gullet -> Lungs
D Mouth -> Windpipe -> Stomach
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Worked Solution

Step 1: Air enters through the nose or mouth. Step 2: It travels down the windpipe (trachea). Step 3: It enters the lungs for gas exchange.

Correct answer: Nose -> Windpipe -> Lungs

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