Table 1. Six consecutive heart beat phases of the peristaltic heart.

Visceral flow is from heart to viscera, branchial flow is from heart to the branchial basket.

Direction	Time (s)	Heart beats	Beats/s (Hz)
Visceral	236	176	0.75
Branchial	318	220	0.69
Visceral	243	160	0.66
Branchial	293	197	0.67
Visceral	261	183	0.70
Branchial	252	170	0.67
Visceral: avg (std dev)	247 (13)	173 (12)	0.70 (0.05)
Branchial: avg (std dev)	288 (33)	196 (25)	0.68 (0.01)