Answers to Cardiovascular System Exercises

Let’s see how you did! If you didn’t get a few of these, don’t let it stress you out – it just means you need to play with more experiments in this area. We’re all works in progress, and we have our entire lifetime to puzzle together the mysteries of the universe!


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One Response to “Answers to Cardiovascular System Exercises”
  1. lynn_mcaleece says:

    I think #14 is incorrect. ALL veins carry oxygen-poor blood back to the heart. The pulmonary ARTERY (not vein as you’ve indicated) is the only ARTERY that carries oxygen-poor blood. https://my.clevelandclinic.org/health/articles/17059-how-does-blood-flow-through-your-body

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