Functional morphology of the heart in fishes.
D000200:Action Potentials; D000818:Animals; D004562:Electrocardiography; D005399:Fishes; D006321:Heart / Q000033:anatomy & histology / Q000294:innervation / Q000502:physiology*; D006439:Hemodynamics; D009119:Muscle Contraction; D013696:Temperature