Arrange the following from smallest to largest level of organization: organ system tissue, cell, organ, atom.

Hi there!

From smallest to largest:

Atom, cell, organ system tissue, organ. 

Since cells are made of atoms, organ tissue is made of cells, and organs are made up of organ system tissue, this is their size. 

Hope this helps!

Calcinosis is the diagnostic term that means an abnormal buildup of calcium on the kneecap (patellar) surface. it is a term uses to describe a group of disorders in which calcium deposits form in the skin. it is also referred to the abnormal deposit of calcium phosphate.