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

Fact 2: Neurons are cells that are similar to other cells.

Given the two facts above, answer the question "Which item found in the human body is smaller? " with the following options: 
- the eyes
 - Epidermis
 - all matter
 - Fingernail.
 - Inches
 - Baby tooth.
 - Small eyelash.
 - Neuron.


 

        Neuron. 