Health El Viaje Completo del Corazón: Cómo las Venas Devuelven la Sangre al Corazón by Dr Natalie Singh - Health Editor June 26, 2026 by Dr Natalie Singh - Health Editor June 26, 2026 How Veins Transport Deoxygenated Blood Back to the Heart Veins play a critical role in the circulatory system by returning deoxygenated blood from the body to the heart, according to … 0 FacebookTwitterPinterestEmail