20. The following anatomic events occur at the level of the sternal angle (angle of Louis) except:
Poll
- a) The right and left pulmonary arteries enter the lungs
- b) The right recurrent laryngeal nerve arises from the right vagus nerve
- c) The trachea bifuricates
- d) The ascending aorta becomes continuous with the arch of the aorta
- e) The second costal cartilages articulate with the sternum