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Author Question: Air is stored in the respiratory system of birds in ____ ______. Fill in the blank(s) with correct ... (Read 50 times)

hubes95

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on: Jul 18, 2018
Air is stored in the respiratory system of birds in ____ ______.
 Fill in the blank(s) with correct word

Question 2

The sharp, horn-covered, bony projection from the shank of some species of male birds is a/an ______.
 Fill in the blank(s) with correct word


welcom1000

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Reply #1 on: Jul 18, 2018
Answer to Question 1

air sacs

Answer to Question 2

spur


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