# data[].attributes.body
1. Pericardium   (outermost layer)
2. Myocardium  (middle layer)
3. Endocardium (innermost layer)

# data[].attributes.body
1. Interatrial septum (in between the atrium or upper chamber)
2. Interventricular septum (in between the ventricle or lower chamber)

# data[].attributes.body
1. Right Atrium
2. Right Ventricle
3. Left Atrium
4. Left Ventricle

# data[].attributes.body
1. Tricuspid valve
2. Pulmonary valve
3. Mitral valve
4. Aortic valve

# data[].attributes.body
1. Arteries
2. Veins
3.Capillaries