Tell whether the statements are true or false.
1. it is important to recognize a person who is in need of first aid from choking, from someone who is not.
2. when a person is unconscious and not breathing but has a pulse, he or she is in respiratory arrest.
3. more than 3,000 americans die each year from choking.
4. the heimlich maneuver was developed and introduced by dr. henry heimlich in 1974.

1.) It is true that is important to recognize a person who is in need of first aid from choking, from someone who is not.
2.) It is true that when a person is unconscious and not breathing but has a pulse, he or she is in repository arrest. 
3.) It is true that more than 3,000 Americans die each year from choking. 
4.) It is true that the Heimlich maneuver was developed and introduced by Dr. Henry Heimlich in 1974. 

All of the answers to these questions will be True. 

Mutations are changes in the dna