Giving BRAINLIEST!!!Why does trachea have cartilage rings but an esophagus doesn't? 
       
      
                
     
    
    
    
    2  answers:
            
              
Answer: 
If there were cartilages in the back as like that at the front, it would've been very difficult for the oesophagus to dilate during the passage of food. 
Explanation: 
 
                                
             
                    
              
If there were cartilages in the back as like that at the front it would’ve been difficult for the esophagus to dilate during the passage of food
                                
             
         	
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