Fact 1: Cells are organized into tissues, and tissues form organs.

Fact 2: Different tissues then combine to form specialised organs .

Given the two facts above, answer the question "Cells are organized into tissues, and tissues combine into what?" with the following options: 
- allow growth
 - Veins and arteries.
 - epidermis and dermis
 - specialized organs
 - colors of the spectrum
 - man made organs
 - failing organs
 - local organs


 

    specialized organs     