What should you do if you see lightning while you are outside exercising?

a. head inside
b. stay under a tree
c. lie in the grass
d. move quickly

A. head inside makes the most sense. Why would you lie down and moving wouldn't do any good and trees often get struck by lightning 

Get out for the elements and head inside!

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