<span>An example of concentric contraction is doing a biceps curl. The curl exercise is targeting the biceps muscles on the front of the upper arm and only several muscles assist during the movement. Moreover, concentric muscle contraction is a type of muscle activation that increases the tension on a muscle as it shortens and this activation begins the process of muscle strengthening and hypertrophy. </span>
        
                    
             
        
        
        
Answer:
It is a concussion 
Explanation:
it is a type of brain trauma that is really easy to get and stays with you for a long period of time .
 
        
                    
             
        
        
        
Answer:
the two functions of tissue are:
- Helps in movement
 - helps to cover a body and a shape.
 
 
        
                    
             
        
        
        
Could be true since the sperm is released outside so no fertilisation will take place.
Mark as brainliest plzz
        
                    
             
        
        
        
Cocaine abuse can have neurological effects such as abusively fighting someone and much more factors that are bad that can really hurt someone deeply.