Answer:
it regulates blood volume and blood pressure.
Explanation:
 
        
             
        
        
        
Answer:
calcium, iron, magnesium, potassium, chloride, zinc, sodium, sulfur
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A hypothesis is an educated guess. This is part of the scientific method developed in science to explain natural phenomena in the environment. Usually scientists use the hypothesis in their controlled experiments. 
Whether it is a fact or not scientists use the hypothesis as a basis or a starting point for further explanations. This is known as the scientific hypothesis. When an educated guess yields the same results over time, the answer is called a theory. Something that is widely accepted but still needs to be proven and investigated further.  
        
             
        
        
        
Answer:
Red blood cells are a type of specialized cell that move <u>oxygen </u>and carbon dioxide throughout the body.
A structure made of two or more tissues working together to achieve a common function is a/an <u>an</u><u> </u><u>organ</u><u> </u>
<u>cellular </u><u>defferentiation</u><u> </u>describes the degree of specialization that a cell is able to undergo.
A/An <u>embroynic</u><u> </u>stem cell can differentiate into all cell types found within an embryo.
In <u>cytoplasm</u> organisms, all cellular activities take place within a single cell.
 
        
             
        
        
        
Hi! 
Gene therapy can be used to introduce foreign DNA into cells of tissues to cure inheritable disease.