Answer:
Internal respiration occurs in the respiratory membrane of metabolizing tissue. Inside the mitochondria, cellular respiration, which produces energy in the form of ATP, occurs. Cellular respiration requires oxygen and carbon dioxide is produced as a waste.
Request: Please mark me as the Brainliest. 
 
        
             
        
        
        
Cocci.....round
bacillus rod shaped 
spirilla ..... spiral shaped . These are all different shapes of bacterial cell.
        
                    
             
        
        
        
Answer:A) passive solar cooling
Hope this helps
 
        
             
        
        
        
Answer:
C. Stem Cell
Explanation:
Because a specialized tissue cell is a stem cell and cells that are already specialized cannot go back to being a stem cell.
 
        
             
        
        
        
Answer: I think it is c
Explanation: It sounds better than the rest. Sorry if I am wrong!!