Identify the phase of circulation which is represented in the diagram of heart given below. Arrows indicate contraction of the chambers shown.
A. Blood transferred to the right ventricle and left ventricle simultaneously.
B. Blood is transferred to lungs for oxygenation and is pumped into various organs simultaneously.
C. Blood transferred to the right auricle and left auricle simultaneously.
D. Blood is received from lungs after oxygenation and is received from various organs of the body.