Lungs are
a. internal organs with respiratory surfaces in
the shape of little sacs.
b. found in some fish.
c. evolutionarily formed as outpouchings of
the gut of some fishes.
d. internal organs with respiratory surfaces in
the shape of little sacs and are found in
some fish.
e. all of these
E
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Answer the following statement true (T) or false (F)
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What will be an ideal response?
Tracheal tubes and spiracles are characteristically found in annelids
____________________ Indicate whether the statement is true or false.
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A. fats. B. protein. C. cytoplasm. D. nucleoplasm.