Question

what do tissues combine to form​

Answer 1

✬ ANSWER ✬

Therefore, molecules combine to form cells, cells combine to form tissues, tissues combine to form organs, organs combine to form organ systems, and organ systems combine to form organisms.

Answer 2

Answer and Explanation:

A group of cells, which are structurally similar and work together to perform a particular function are called tissue.  The collection of such tissues, which are joined in a structural unit to perform a certain function, is called an organ.