For a long time, the standard for "normal" blood pressure was 120/80.  The current thinking is that a more healthy pressure is actually 110/70.  106/64 is a little lower than the norm but may be totally normal for you. If you become dehydrated it can lower your blood pressure and if your blood pressure goes too low it can cause feeling faint or passing out.  If it's never been an issue and your MD doesn't have a problem I wouldn't worry.
        
             
        
        
        
The first one should be "Fight or Flight". I'm not sure about the second one.
        
             
        
        
        
The answer is B:Directional beacons
        
             
        
        
        
Answer:
Plasticity. 
Explanation:
The development of the organisms depend on both the external and internal factors. The internal motivation helps the individual to succeed in their life and development of their social behavior.
Plasticity may be defined as the ability of the individual to change themselves according to the external environment. The plasticity characteristics increases the chances of the development of the individual. Loretta shows the plasticity to adapt in the educational environment.
Thus, the correct answer is option (b).
 
        
             
        
        
        
D. reacting quickly to frustrating experiences