Answer:
The most likely to happen if an athlete breaks his arm and must wear a cast and not use that arm for six weeks'Muscles in the injured arm will get smaller because they are not being used.'
Explanation:
So therefore when an arm is broken it is only the bone that is broken the muscle remains intact but use of the arm within that period is what will determine the increase or decrease of muscle strength.
since by the statement above we have been able to establish the fact that the arm is not being used then we can conclude that strength of the muscle will decrease.
 
        
             
        
        
        
The correct answer
Physical activity ensures that the body burns all the excess calories. Excess calories is normally converted into fat that is stored in the body causing obesity and heart diseases because some of these fats are stored in the blood vessels thus hindering blood circulation. This means that in such event where tats deposit in the blood vessels conditions such as heart ischemia arises therefere, lowering the health of the victim. in summary, physical activities increases wellness and fitness while lack of physical activity reduces one health.
 
        
                    
             
        
        
        
<span>The following are the appropriate responses:
1. making a point to supplant lost liquids some time recently, amid, and after exercise
2. get ready for exercise in outrageous temperatures
3. picking when, where, and how to work out 
 A man who is taking part in an activity action is constantly presented to various dangers like wounds and mischances. So as to appreciate a fun and safe physical action, a man ought to dependably ensure that all the outer jolts are prepared and suited for the kind of action to be performed. Lack of hydration is a standout amongst the most disregarded parts of activity.</span>
        
                    
             
        
        
        
false because one studies one part of it and in my brain it is false, cause they studied tissues not plants or any type.