A.External jugular, carotid and coronary veins
B.External jugular, internal jugular veins only
C.external jugular, internal jugular and sub-clavian veins
D.External jugular, innominate and sub-clavian veins
A.External jugular, carotid and coronary veins
B.External jugular, internal jugular veins only
C.external jugular, internal jugular and sub-clavian veins
D.External jugular, innominate and sub-clavian veins