Which type of tissue forms a communication and coordination system?

The answer is NERVOUS TISSUE.  the brain and spinal cord of the central nervous system (CNS), and the branching peripheral nerves of the peripheral nervous system (PNS), which standardizes and controls bodily functions and activity. It is the main tissue component of the two parts of the nervous system. 

it's a nutrition food for pregnant mothers so they unborn child can get its nutrition that it needs to grow in to a healthy baby.

explanation:

and the mother is getting all of her nutrition and her calcium and vitamins .