14.3cm x 7.2 cm
Fun Facts:
The heart beats at a rate of about 60 beats/min when the orca is at the surface, dropping to 30 beats/min when submerged.
14.3cm x 7.2 cm
Fun Facts:
The heart beats at a rate of about 60 beats/min when the orca is at the surface, dropping to 30 beats/min when submerged.