Answer: Automatic processing
Explanation:  Automatic processing is the thinking that is the result of some task that an individual has done several times , so it can be accomplished by him/her in successful manner without giving a thought.It is kind of the muscle memory .
The best friend is a master chess player so she has a lot of practice and awareness about the moves of chess.Therefore, she has automatic processing thinking.
Other options are incorrect because controlled processing is done when a single controlled act takes place in the mind . Internal processing  requires time and thought for processing any activity.Intentional processing is the thinking that is based on particular motive.
 
        
             
        
        
        
Answer:
I was trying to think of something good but all I came up with was this meme
Explanation:
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Answer: digestive and excretory completes the sentence.