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In autoimmune disorders the body will mount an immune reaction to its own cells. 

Silver (Ag) has an atomic weight (mass number) of 108 and an atomic number of 47.  How many neutrons would it have? 

Hematopoiesis is another name for: 

In autoimmune disorders the body will mount an immune reaction to its own cells. 

Carbon dioxide is transported in blood via: 

Most chemical digestion occurs in the: 

Most chemical digestion occurs in the: 

Carbon dioxide is transported in blood via: 

The deepest layer of the epidermis would be the: 

An isotope of an element has the same number of _?_ but a different number of _?_ than the normal form of the element.