Answer:
It is thin tissue that lines the alveoli
Hope this helps.
 
        
             
        
        
        
Answer:
 The areas that have had the action potential are refractory to a new action potential.
Explanation:
Hope this helps<3
 
        
             
        
        
        
The nerves in her hand are transfering heat into the ice and the ice is transfering cold into her hand until they are the same tempature.
 
        
                    
             
        
        
        
Answer:
this is correct
Explanation:
because the energy gets transferred from one animal to another 
 
        
                    
             
        
        
        
Black skin to better absorb sun rays to help stay warm also fat/blubber to keep body temp warm/stable