Answer:
i think nicotine travels through blood and we know blood reaches the right ventricle first
maybe right ventricle
 
        
             
        
        
        
Answer 
solar system, a globe of earth
 
        
             
        
        
        
Cell Differentiation<span> and Tissue. Within multicellular organisms, tissues are organized communities of </span>cells<span>that </span>work together<span> to carry out a specific function. The exact role of a tissue in an organism depends on what types of </span>cells<span> it contains.</span>
        
             
        
        
        
Apparently it is caused by the sex hormones, testosterone, and oestrogen. there. that is the chemical reaction of lust.
        
                    
             
        
        
        
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