Fact 1: Cells vary in size as well as shape, but all cells are very small.

Fact 2: Cells just vary in their forms and functions.

Given the two facts above, answer the question "Cells what as well as shape is related to their forms and functions" with the following options: 
- orientation
 - species
 - small
 - muscle
 - ferns
 - host
 - grow
 - size


 

        size 