The Biggest Mistake Students Make With Heart Blood Flow

Let's be brutally honest: Heart Blood Flow is usually taught terribly in textbooks. You don't need to be a genius to master this; you just need to understand one specific mental model.

Did you make this error?

• The Trap: forgetting that the pulmonary artery carries deoxygenated blood
• The Proof: Read this scenario: Most arteries carry oxygenated blood, but the pulmonary artery takes oxygen-poor blood from the right ventricle to the lungs to pick up oxygen.

If your logic doesn't match the proof above, you've fallen for the trap. Erase it and start over.

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