Transpiration occurs on plants. So the answer is D. Leaves
 
        
             
        
        
        
Answer:
Heart
The
striated muscle tissue with
relatively small cells that have one or two nuclei can be found at the heart. The intracellular calcium signaling is an intrinsic component
of signal transduction pathways that regulate vital aspects of muscle function
including excitability, force production, protein synthesis, and energy
expenditure that occurs in the striated muscle tissue of the heart. 
 
        
                    
             
        
        
        
Answer:
A. I would be startled by the sudden noise and would probably take cover some wheres. B. My nerves in my ears would send a signal to my brain causing my twitching muscle fibers to react quickly and heart might stop for a moment.  C. The heart rate would increase the brain would be aware that there may be more sudden noises or events your adrenaline would be pumping and your quick twitch muscle fibers would probably be tense or contracted ready to make quick sudden movements if necessary and your hairs would stick up i guess as extra senses for if something would touch you.  
Explanation:
not to mention but by the time you are startled your senses would probably be heightened due to you being  aware of your surroundings such as you would be constantly looking around you would hear better and probably move quicker for a short period of time due to pumping adrenaline. 
 
        
             
        
        
        
Answer: Energy is what makes change happen and can be transferred form one object to another. Power is the rate at which energy is transferred.