Standard Science Primary 5 Systems

Which organ is responsible for pumping blood rich in oxygen to the rest of the body?

A Heart
B Gills
C Lungs
D Stomach
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Worked Solution

Step 1: Blood picks up oxygen in the lungs. Step 2: It returns to the heart. Step 3: The heart muscularly pumps this oxygenated blood to all parts of the body.

Correct answer: Heart

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