cartoon stomach in rich red tones, simplified with a friendly, rounded

human medical anatomy health medicine science organ vector body heart biology icon design myocardium red blood disease care graphic hepatic liver cardiovascular cardiology anatomical white cartoon system drawing coronary arteries circulation emotion pericardium gallbladder gastrointestinal bladder gall ventricles internal stomach endocardium atria vascularization valentine healthy symbol surgery love romance romantic rich tones simplified friendly rounded shape