Main transport route (6)
I believe the answer is:
artery
(Other definitions for artery that I've seen before include "Principle channel of circulatory system" , "M1?" , "main course" , "Felt amazement" , "Vessel carrying blood from heart" .)
I believe the answer is:
artery
(Other definitions for artery that I've seen before include "Principle channel of circulatory system" , "M1?" , "main course" , "Felt amazement" , "Vessel carrying blood from heart" .)