Question

Chad and his learning coach are building a working model of the respiratory system. Which of the following could be used as lungs?(1 point)
Responses

cheesecloth
cheesecloth

a door hinge
a door hinge

pipe cleaners
pipe cleaners

balloons

Answer 1

The best option to represent lungs in Chad and his learning coach's working model of the respiratory system would be **balloons**. Balloons can expand and contract, similar to how lungs work during inhalation and exhalation.