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The opportunity cost of spending more money on finding a cure for heart disease is the money that needs to be taken out of funding to find the cure for other diseases. 
 
        
             
        
        
        
Answer:Smooth muscle is called involuntary muscle because you can not control this type of muscle movement. These muscles line internal organs, blood vessels, and organs such found in the digestive and reproductive systems.
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Answer: The answer is overload.
 
        
             
        
        
        
Answer:
A. Walking in the same direction as moving traffic.
Explanation:
Why would you, do that in the first place? The other options all seem like safe precautions to do.