Cardiac physiology is to collect de-oxygenated blood, in the right atrium, from the body via the superior vena cava, inferior vena cava and from the coronary sinus and pump it, through the tricuspid valve, via the right ventricle, through the semilunar pulmonary valve and into the pulmonary artery in the pulmonary circulation where carbon dioxide can be exchanged for oxygen in the lungs. This happens through the passive process of diffusion. In the "left heart" oxygenated blood is returned to the left atrium via the pulmonary vein. It is then pumped into the left ventricle through the bicuspid valve and into the
The Sacrament of the Body and Blood of Christ—Against the Fanatics both sides became more firmly entrenched into their positions. The Sacrament of the Body and Blood of Christ—Against the Fanatics The Sacrament of the Body and Blood of Christ—Against the Fanatics is a book by Martin Luther, published in late September or early October 1526 to aid Germans confused by the spread of new ideas from the Sacramentarians. At issue was whether Christ's true body and blood were present in the Lord's Supper, a doctrine that came to be known as the sacramental union. The of Christ's true body and blood in the Lord's Supper was a controversial issue at