The Normal Flow of Blood Through the Heart Would Be $\rightarrow$

The normal flow of blood through the heart would be

A) right atrium $\rightarrow$ right ventricle $\rightarrow$ lungs $\rightarrow$ left atrium $\rightarrow$ left ventricle.
B) right atrium $\rightarrow$ left atrium $\rightarrow$ left ventricle $\rightarrow$ aorta.
C) lungs $\rightarrow$ right atrium $\rightarrow$ right ventricle $\rightarrow$ aorta.
D) right atrium $\rightarrow$ right ventricle $\rightarrow$ aorta $\rightarrow$ left atrium $\rightarrow$ left ventricle $\rightarrow$ lungs.