How Many Hearts Does Worms Have. Earthworms actually have 5 hearts, but this organ and the worm’s circulatory system are much simpler than ours. Cown have four compartments of the stomach, but not four hearts.
This would be the tricky part of this question because worms and earthworms can have no heart. At below room temperature, the pulse rate of an earthworm is 14 pulses per minute. Do worms have 11 hearts?