Read the following statements : 

(i) Coordination is the process through which only two organs can interact and complement the functions of one another.

(ii) In our body the neural system and the endocrine system jointly coordinate and integrate all the activities of the organs so that they can function in an unsynchronised fashion. 

(iii) The neural system provides an organised network of point-to-point connections for a quick coordination.

(iv) The endocrine system provides chemical integration through hormones. 

(v) In our body neural system and endocrine system rarely coordinate and integrate the activities of organs.

which of the above statements are correct ?