Answer : Pulmonary artery
see the picture and here is the name of it
A = Pulmonary artery
B = inferior vena cava
C = aorta
D = left ventricle
E = right ventricle
F = pulmonary system in kidney
G = Pulmonary system
H = Pulmonary vein
For moderators that see this
#Moderators please don't be mean, dont delete my answers just to get approval from your senior or just to get the biggest moderation daily rank.