The phrenic arteries A)continue along the ventral surface of the brain. B)deliver blood to the diaphragm. C)travel within the mediastinum, supplying tissues of the thoracic cavity. D)give rise to arteries that supply tissues of the lungs not involved in gas exchange, the esophagus, pericardium, and other mediastinal structures. E)deliver blood to the last portion of the large intestine and rectum.