It's <span> called an autotroph or</span><span> heterotroph</span>
        
             
        
        
        
The muscle cells divide through Mitosis, a cellular division comprised of several other substeps. 
The final step of the cell division is the cytokinesis by which two new cells are formed from cell with a multiple number of nucleus after the replication process. This steps follow the telophase. 
        
             
        
        
        
Mexico's CBR started later than Sweden's.
        
             
        
        
        
Answer:
D
Explanation:
Lymphocytes are the second line of defence
First line of defence indiscriminately defends against all pathogens unlike secondary response which is targeted. First line of defence refers to the external body components like skin, secretions from the body in the alimentary canel 
Mucus traps pathogens. Stomach acid kills pathogens
 
        
                    
             
        
        
        
Atomic mass is determined by the number of protons plus the number of neutrons