Standard Science Primary 5 Systems

Which of the following describes the correct path of blood that is rich in oxygen?

A Lungs → Heart → All parts of the body
B All parts of the body → Heart → Lungs
C Heart → Lungs → All parts of the body
D Lungs → All parts of the body → Heart
Show Worked Solution

Worked Solution

Step 1: Blood gains oxygen in the lungs. Step [2-9]: Oxygen-rich blood returns to the heart. Step [2-9]: The heart then pumps this oxygenated blood to the rest of the body.

Correct answer: Lungs → Heart → All parts of the body

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