Circulatory System Jokes - 2 Hilarious Circulatory System Jokes

heart blood lymph blood vessel liver aorta lymphatic system pulmonary artery immune system capillary oxygen digestive system left ventricle bloodstream myocardium

I learnt a lot about the circulatory system today. After a lot of work, I memorised everything.

Guess you could say I know it by heart

Did you know? If you lay an average man's circulatory system out in a straight line,

He'd die.

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