Pulsate
Pulsate , intransitive verb
[Latin pulsatus, past participle of pulsare to beat, strike, v. intens. from pellere to beat, strike, drive. See Pulse a beating, and compare Pulse, v.]
To throb, as a pulse; to beat, as the heart.
The heart of a viper or frog will continue to pulsate long after it is taken from the body.