The correct answer is water.
Water is the most abundant resource in our body and is essential for many bodily functions.
Hope this helps!
        
                    
             
        
        
        
Hi there! I believe the answer is:
D. An explanation of natural events that is well supported by scientific evidence
I hope this helps :)
 
        
             
        
        
        
Answer:
it's Dd (probably)
thenks and mark me brainliestt :))
 
        
                    
             
        
        
        
Insulin is released into the blood when oxygen levels are low and blood glucose levels are high 
        
             
        
        
        
Mesoderm
Mesoderm is the primary germ layer that is responsible for producing both blood and phagocytic brain glial cells.  
The mesoderm is the middle of the three germ layers that appears in the third week of embryonic development. The mesoderm is responsible for the formation of various body structures such as epithelia of blood vessels, blood, muscle, bone, phagocytic brain glial cells, lymphatic vessels, adrenal cortex, notochord, and bone marrow.