Match Each Definition with the Correct Word Part Below

Match each definition with the correct word part below.
-Atri/o

A) Upper chamber of the heart
B) Lower chamber of the heart
C) Heart
D) Largest artery
E) Inner lining of chambers of the heart
F) Outer sac surrounding the heart
G) Lung
H) Muscle layer of the heart
I) Valve
J) Vessel that carries blood away from the heart
K) Wall between the chambers
L) The pointed extremity of a conical structure