Heart of Man is `:-`

Heart of heart is:

"Heart of heart" is:

When the normal heart of a man is injected with physiological concentration of adrenaline, it shows

Heart of frog differs from that of man by presence of or Heart of rat differs from that of frog by the absence of

Heart of frog differs from that of man by presence of or Heart of rat differs from that of frog by the absence of

Heart of Heart is Pace maker of the heart is

Heart of Heart is Pace maker of the heart is