A weight-training program that gradually increases the resistance lifted relies on the progression principle to build strength, where strength is the amount of force a muscle can exert.
The principle of progression states that you should overload gradually and that <span>there is a perfect level of overload in-between a too slow increase and a too rapid increase.</span>
        
             
        
        
        
In order for cells to function and survive, their organelles work together to carry out specific tasks and perform specific roles.
        
             
        
        
        
Bacteria 
Amphibians
Reptiles
Mammals
        
                    
             
        
        
        
Answer:
die because bladder is really important to 
 
        
             
        
        
        
Answer:
the female sea otter has 1
Explanation: