The lungs is your answer :)
The answer to your question is, competent person
Answer:
Possible Answer -
Responses may vary but should include some or all of the following information: Studying psychology can help one gain critical thinking skills, problem solving skills, and interpersonal skills.
Explanation:
Hope this helps (:
They may want to appear just as the way the bodies look in an advertisement. And if the bodies are unhealthy bodies in the advertisements then that would be a negative reaction to the advertisement.