Heart weight of rat in different exercises.
D000818:Animals; D001835:Body Weight; D006332:Cardiomegaly; D005260:Female; D006321:Heart / Q000254:growth & development / Q000502:physiology*; D008124:Locomotion; D009929:Organ Size; D005082:Physical Exertion; D051381:Rats; D013550:Swimming; D016276:Ventricular Function