Five common phobias are ophidophobia, glossophobia, acrophobia, musophobia, and aviophobia. what do these phobias relate to?

Ophidophobia is the fear of snakes, Glossophobia is the fear of speaking in public, Acrophobia is the fear of heights, Musophobia is the fear of rats or mice, and Aviophobia is the fear of flying. 

Bmust be the answer, as technically all organs move, so a is incorrect. all organs are made of different types of cells, so that isn’t a problem, so c is also incorrect. human hearts are very similar to many other animals’ hearts, so d is also incorrect, yet the heart is made of muscle, which is hard to grow in the lab so it would be correct to say b