The Carbon Dioxide That Is Exhaled When You Breathe Is

Q21: During gas exchange in the lungs, _diffuses

Q22: The operculum of fishes covers the gills,

Q23: Most carbon dioxide is transported in red

Q24: Refer to this figure to determine which

Q25: The respiratory systems of fishes, frogs, sponges,

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