title: [Mechanism of the contraction-relaxation cycle of the heart].
mesh_terms: D002118:Calcium / Q000502:physiology; D006321:Heart / Q000502:physiology*; D006329:Heart Conduction System / Q000502:physiology; D006801:Humans; D008929:Mitochondria, Heart / Q000502:physiology; D009200:Myocardial Contraction; D009206:Myocardium / Q000166:cytology; D012508:Sarcolemma / Q000502:physiology; D012519:Sarcoplasmic Reticulum / Q000502:physiology
chemical_list: D002118:Calcium
vernacular_title: Mechanizmus kontrakcno-relaxacného cyklu srdca.