About the heart, which of the following descriptions are correct.
A.The heart is located in the anterior mediastinum. B.About two-thirds of the heart is located left of the midline C.Anterior to the heart are the sternum and the second to sixth costal cartilages. D.Posterior to the heart are the bodies of the fourth to eight vertebrae. E.The heart rests upon the diaphragm.正确答案BCDE
