Answer:
b. the ocean regulates climate
Explanation:
 
        
             
        
        
        
These include the chemical. cellular. tissue organ. organ system and the organism level
        
             
        
        
        
Circulatory system
The circulatory system is the transport system for endocrine information. While the nervous system uses neurons, the endocrine chemicals and hormones must circulate through the body via blood vessels. Many glands in your body secrete hormones into the blood.
        
             
        
        
        
adaption - adaption - adaption - adaption - adaption