hat
Si ou wè yo tankou ballons, blad a yon ti- bèl anpil yon selil pwès Et yo ap koneksyon ak a bloodflow - ou aktyèlman, yon pi bon fason pou panse osijè de se sa nou san/sikilatwa rann droit tou pre chak nan bagay sa yo.
eng
If you view them as balloons, the balloon is very thin-- pretty much one cell thick and they're connected to the bloodflow-- or actually, a better way to think about is that our circulatory system passes right next to each of these things.