I keep getting “Heart chambers” questions wrong in Body Fluids & Circulation. What's the trap?
mixing up which side carries oxygenated blood.
The usual trap: mixing up which side carries oxygenated blood. How to avoid it: Left side = oxygenated ('L' for lungs-returned); right side = deoxygenated. Go back to the definition — four chambers — two atria and two ventricles — keep oxygenated (left) and deoxygenated (right) blood separate.
Key point
Heart chambers
Common mistake
mixing up which side carries oxygenated blood.
Memory tip
Left side = oxygenated ('L' for lungs-returned); right side = deoxygenated.
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