They have a neurogenic heart, that has rhythmic depolarization that is certainly answerable for initiating heartbeats.[24]: 653 Heartbeats originate in anxious tissue; innervated muscle mass cells lead to the heart to agreement when stimulated by nerve impulses. The cardiac ganglion, which consists of nine neurons, attaches on the dorsal wall https://michaelw111zvq7.buscawiki.com/user