Regarding to the anatomy of lungs, the correct answer is : a. Lungs are supplied by bronchial arteries which are branches of internal thoracic artery b. Both lungs are situated within the mediastinum and separated by a pleura c. The cardiac notch is a depression found on the anterior surface of the right lung d. Bronchial veins drain in to inferior vena cava e. There is an oblique fissure in the left lung