the answer would most likely by b
flexibility is <span>the quality of bending easily without breaking.
</span>
muscular endurance<span> is the ability of a </span>muscle<span> or group of </span>muscles<span> to sustain repeated contractions against a resistance for an extended period of time
</span>
muscular strength<span> is defined as the maximum amount of force that a </span>muscle<span> can exert against some form of resistance in a single effort
</span>physical fitness<span> is your ability to carry out tasks without undue fatigue</span>
        
                    
             
        
        
        
<span>Pavlov became interested in studying reflexes when he saw that the dogs drooled without the proper stimulus. Although no food was in sight, their saliva still dribbled. It turned out that the dogs were reacting to lab coats.</span>May 15, 2001
        
                    
             
        
        
        
A possible answer could be the quality of air being inhaled
        
                    
             
        
        
        
Answer:
protection and a mask
Explanation:
that virus is deadly and especially in a high risk groups, and it attacks lungs and nose and throat
 
        
             
        
        
        
The drug that increases activity is cvs