the defense of the body

Which one of the given things about the tasks of the blood body is wrong? 


A) It plays a role in providing clotting. 

B) Adjusts the body temperature and fluid balance of the body. 

C) Oxygen, nutrients, and hormones carry over the cells, waste materials and carbon dioxide related organs. 

D) It weakens the defense of the body against the disease microorganisms.


The right answer is:  D) It weakens the defense of the body against the disease microorganisms.