Question

The lungs are _______.

A) Divided into nine lobes

B) Connected by the mediastinum

C) Divided into seven lobes

D) Separated by the mediastinum

Answer 1

D-“The lungs are separated by the mediastinum. This area contains the heart, trachea, esophagus, and many lymph nodes.”
Is not A or B because the left lunch contains 2 lines and the left lung contains 3

Hope this helps :)