If the blood vessels of just one adult were laid end to end, they would stretch out for 60,000 miles [100,000 kilometers] and could encircle the earth two and a half times!
Kui kõik täiskasvanu veresooned üksteisega jätkata, saaksime 100 000 kilomeetri pikkuse torukese, mis ulatuks kaks ja pool korda ümber maakera!