All cells share some of the same structures and basic functions, and hair cells are also a type of skin cell. Given these facts, what shares some of the same structures and basic functions among the following options:
- animals
 - sensory neurons
 - an organism's body
 - gravity
 - volume and h2o
 - acid and density
 - Veins and arteries.
 - hair and skin


 

        hair and skin 