The answer to the above statement is FALSE.
        
                    
             
        
        
        
They switch roles after every five cycles CPR or about every two minutes.
<h3>What is CPR?</h3>
The term CPR is the acronym for cardiopulmonary resuscitation. It is an important first aid that is administered to a person that has a sudden heart attack.
If more than one  responder is available and trained in CPR, they switch roles after every five cycles CPR or about every two minutes.
Learn more about CPR:brainly.com/question/13320397
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The umbilical cords carries nutrients that are entered into mothers bloodstream to the fetus.