ORGAN An organ is a specialized tissue (a group of cells) in multicellular organisms that performs a particular function.
(An organ; is; a specialized tissue (a group of cells) in multicellular organisms that performs a particular function) (a specialized tissue (a group of cells) in multicellular organisms; performs; a particular function)
An organ a specialized tissue (a group of cells) in multicellular organisms
is performs
a specialized tissue (a group of cells) in multicellular organisms that performs a particular function
a particular function