The answer is:
Glands,Skin,Nails,Nerves and Hair.
I hope this helps :D 
        
             
        
        
        
Answer:
C. The bacteria have high genetic variability and high reproductive rates.
 
        
             
        
        
        
Answer:
The heart is a pump, usually beating about 60 to 100 times per minute. With each heartbeat, the heart sends blood throughout our bodies, carrying oxygen ... It sends out an electrical signal to start the contracting (pumping) of the heart muscle.
Explanation:
 
        
             
        
        
        
The answer is C=genetic information flows from DNA to RNA to protein