Answer:
1- sarcoplasmic reticulum
Explanation:
2- electrical current
3-calcium
 
        
             
        
        
        
Genetics are an undeniable factor in how easy it will be for some people to pack on size
        
             
        
        
        
Answer:
Family members may help each other, by giving moral support. And caring for each other in times of need.
Hope that somewhat helps 
Explanation:
 
        
             
        
        
        
A lot of bacteria, virus and toxins can become a health risk if there is a biological warfare attack. Alphavirus is a small,rounded,enclosed positive virus causing human and animal sickness. Examples include Sindbis virus and Chikungunya virus such then can be the pattern of infections that can cause chronic infections of the vital organs such as the lungs.