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You and a Friend Run into Each Other on the Street,and

question 11

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You and a friend run into each other on the street,and you see that he is carrying a fish that he's just caught.You'd love to get that fish home and cook it to make your wife happy.You and your friend agree that the fish is equivalent to the corn you're carrying in your bag.The two of you then exchange the fish for the corn before heading off to your respective homes.What is this an example of?


Definitions:

Heimlich

A life-saving maneuver used to dislodge an obstruction from the throat of a person choking.

Antistreptolysin O

An antibody produced by the body in response to infection by streptococcal bacteria, used as a marker for previous strep infections.

Respiration

The process of inhaling oxygen and exhaling carbon dioxide, essential for life in most organisms.

Antihistamine

A type of medication that blocks histamine receptors to relieve allergies symptoms.

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