Vertebrate Lungs Probably Evolved from Simple Outpocketings of the Digestive

Q27: Fish gills consist of a series of<br>A)

Q28: The vocal cords are located in the<br>A)

Q29: During inhalation, the diaphragm<br>A) contracts and becomes

Q30: Which of these structures is analogous in

Q31: How are birds able to get fresh

Q33: Which of the following passageways delivers air

Q34: Which of the following structures serves as

Q35: Smokerʹs cough is the result of<br>A) dehydration

Q36: What structure prevents food from entering the

Q37: Most of the oxygen in the blood