Editor
Find the correct path of blood circulation. 
Difficulty: Hard
A: 

Left atrium, left ventricle, lungs, right atrium, right ventricle, body 

B: 

Right atrium, right ventricle, lungs, left atrium, left ventricle, body 

C: 

 Left atrium, left ventricle, right atrium, right ventricle, lungs, body 

D: 

Right atrium, lungs, right ventricle, left atrium, body, left ventricle