Which of the following correctly describes the flow of blood that is rich in carbon dioxide?
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Worked Solution
Step 1: Body cells use oxygen and produce carbon dioxide.
Step 2: This CO2-rich blood travels back to the heart.
Step 3: The heart then pumps it to the lungs to remove CO2.
Step 4: The specific flow for CO2-rich blood returning for processing is body to heart.
Correct answer: Rest of body to Heart
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