What would most likely reduce the bias present in Elias' experimental design would be to not ask just the members of his high school team to be the subjects because they represent a very specific group of people. It would be much better to use a random group of people and have them do the same thing.
Answer:
first generation
Explanation:
they first generation shows these
The answer is the nervous system.
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The bronchi are where air passes from the trachea.