petson holding his chest and heart in his hands taking care of health and protecting its heart

pump human cardiac circulatory organ man internal health artery patient anatomy stress heartbeat cardiology surgery medicine life cardiovascular system care coronary cardiogram circulation blue male concept donation healthy helpful red donor hand person charity donate character silhouette holding support heart aid isolated simply protecting protection stroke attack ai generated his taking petson chest its hands bluish stressed stressful pain body calmness alert alerting signals burning heat hot