During Gas Exchange in the Lungs, _________Diffuses from the Alveoli

Q16: An emergency room physician has withdrawn blood

Q17: During inhalation, air leaving the nasal cavity

Q18: The cells of cnidarians use relatively little

Q19: Based on this figure, which of the

Q20: In the lungs, oxygen moves from air

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,

Q26: The carbon dioxide that is exhaled when