The structure labeled "A" is the ____.
A) aorta
B) inferior vena cava
C) pulmonary artery
D) pulmonary vein
E) superior vena cava
Correct Answer:
Verified
Q21: When blood flows through pulmonary capillaries, it
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Q31: Which action of the heart makes the
Q33: The _ contain(s) oxygen-poor blood.
A) left ventricle
B)
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Q47: Insects use _ as a respiratory system.
A)
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Q57: Capillary walls consist of _.
A) stratified squamous
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