Body's tube for blood (4)
I believe the answer is:
vein
(Other definitions for vein that I've seen before include "Blood-vessel" , "Seam of mineral" , "Distinctive style" , "Vessel carrying blood towards the heart" , "Blood-carrying vessel" .)
I believe the answer is:
vein
(Other definitions for vein that I've seen before include "Blood-vessel" , "Seam of mineral" , "Distinctive style" , "Vessel carrying blood towards the heart" , "Blood-carrying vessel" .)