The pulmonary capillaries
a. are closely associated with alveoli but do
not fuse.
b. fuse with the alveoli to facilitate gas
exchange.
c. bring oxygenated blood back to the heart.
d. bring deoxygenated blood back to the heart.
e. fuse with the alveoli to facilitate gas
exchange, and bring oxygenated blood back
to the heart.
E
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Fire ants, Solenopsis invicta, ________
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