What are Labels 1-13 ?

Answer:
1-frontal plane
2-common carotid arteries
3-brachiocephalic artery
4-left subdlavian artery
5-arch of the aorta
6-left atrium
7-posterior intermodal
8-middle internodal
9-atrioventricular byndle (AV)
10-right ventricle
11-right atrium
12-left ventricle
13-right & left bundle branches
Explanation:
Answer:
1) Superior Vena Cava
2) Aorta
3) Aorta
4) Aorta
5) Aorta
6) Pulmonary Artery
7) Right Atrium
8) Tricuspid Valve
9) Mitral Valve
10) Pulmonary Valve
11) Inferior Vena Cava
12) Left Ventricle
13) Aortic Valve