Answer:
The official definition for cardiorespiratory endurance is "Cardiorespiratory fitness refers to the ability of the circulatory and respiratory systems to supply oxygen to skeletal muscles during sustained physical activity." 
Based on that, the answer is A.
*<u><em>Just for citation purposes, the definition is from Wikipedia.</em></u>
 
        
             
        
        
        
He wants to  help people cause people help him.
        
             
        
        
        
It is a practice-related complaint. It's usually caused by nurses or doctors not taking precautionary measures and making sure that their hands are cleaned and that they wear masks when operating on someone or assisting in an operation. It could also be unclean untensils that are used for surgery too!
 
        
             
        
        
        
Answer:
Bacillus cereus
Explanation:
Bacillus cereus is a bacteria associated with foodborne infection (which is what happened to the children exposed in the question). These bacteria usually grow on rice that has not been properly cooled or heated.
The poisonings caused by Bacillus cereus result from the ingestion of food contaminated with the microorganism and / or the enterotoxins it produced during its growth. The poisonings associated with this microorganism are usually of short duration and not severe. However, several sporadic outbreaks and cases have been reported.
 
        
             
        
        
        
Your answer is your third choice, critical injury