it has features that are available offline and online,when available
 
        
             
        
        
        
The first one, axons can send messages.
        
             
        
        
        
I believe the muscle contracts
        
             
        
        
        
A bacterial STDs are caused by bacteria that enters the body either through skin contact or body fluids. a viral std is a sexually transmitted infection that is caused by a virus. unlike bacteria viruses these are not living organisms and need a host cell in order to replicate and survive. some of the most common vital stds are HPV, herpes, hepatitis and HIV these cannot be cured however although a virus will remain in the body for life symptoms of the virus that might be not be present at all times.
        
                    
             
        
        
        
Answer:
Professor James is conducting a systematic review.
Explanation:
A systematic review is an evaluative assessment of all prior studies that were conducted to evaluate an issue. In a systematic review, a researcher locates, compiles and evaluates the literaturature pertaining a specific topic using key criteria. This review which normally includes a summary of the fidings of the studies collected can also incorporate a meta-analysis, which is a quantitative data pool.