Mindblown: a blog about philosophy.

Space between two adjacent teeth.  

Two excretory ducts of the testis.  

Skin and the membrane lining hollow organs.  

Branch of nerve between second and third ribs.  

Two columns.  

Two segments of the tail bone.  

Collarbones.  

The space between the eyebrows.  

Two or more cartilages.  

Two cavities.