Biology, 23.11.2019 16:31, emily41950

Which of the following best indicates the sequence of oxygen flow though the parts of the respiratory and circulatory systems?

a. veins, trachea, lung capillaries, alveoli
b. trachea, alveoli, lung capillaries, arteries
c. lung capillaries, trachea, veins, alveoli
d. trachea, arteries, alveoli, lung capillaries

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Which of the following best indicates the sequence of oxygen flow though the parts of the respirator...