Submitted by Key_Chemist_1 t3_z5hcy1 in todayilearned
stoopidshannon t1_iy1tkxx wrote
Reply to comment by BrandonBaileys in TIL The circulatory system is more than 60,000 miles long by Key_Chemist_1
It’s mostly full of capillaries which are very tiny and extend all throughout your body and skin. It would be 60,000 miles if all laid out end to end in the same sense that there are 45 miles of nerves through your body
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