Arrange the sentences in the correct order to form a coherent paragraph.
A. Nevertheless, the human brain is the most mysterious and complex object on Earth.
B.It weighs less than three pounds and is hardly more interesting to look at than an overly ripe cauliflower.
C. It also thinks and dreams, plots and schemes, and easily holds more information than all the libraries on Earth.
D. It has created poetry and music, planned and executed horrific wars, and devised intricate scientific theories.