Answer:
skeletal
Explanation:
skeletal bones are involuntary
 
        
             
        
        
        
<span>They exhibit all the stages when its the presence of oxygen only.</span>
        
             
        
        
        
The two function are Protection, Contains sensory receptors, production of vitamin D, regulation of body temperature I got only that
        
                    
             
        
        
        
putting on clothes
Explanation:
because we don't know how to put on clothes the day we were born we learn have to do it as we grow up.