Puberty begins when the pituitary gland secretes pituitary into the bloodstream to affect the sex organs.
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Answer:
 Human Heart beats 100,000 times a day. (1 option is the correct answer)
 
        
                    
             
        
        
        
The first one goggles helmet and bicycle bc you need the bike for going on the track
        
             
        
        
        
Answer:
raised blood glucose levels or diabetes 
Explanation: