How is an increased P₅₀ of hemoglobin beneficial?
A) better oxygen unloading at the tissues
B) better oxygen loading at the lungs
C) better iron content of hemoglobin
D) better blood buffering capacity
Correct Answer:
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Q19: In crustacean respiration,ventilation happens when water moves
Q20: Ram ventilation is used by
A)feeding lampreys.
B)cnidarians.
C)swimming fish.
D)turtles.
Q21: Blood CO₂ content is carried in the
Q22: The shape of an alveolus is
A)round.
B)tubular.
C)polygonal.
D)elliptical.
Q23: A Davenport diagram describes the relationship between
Q25: Why do fetal mammals tend to have
Q26: Bronchoconstriction increases the work required to breathe
Q27: Bicarbonate enters and leaves the vertebrate red
Q28: In birds,fresh air from the environment moves
Q29: Many vertebrates' response to hypoxia is contraction
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