In birds,upon exhalation,air sacs are _______,air passes through the _______,and it then passes out through the _______.
A) filled with air;anterior air sac;bronchi
B) contracted;posterior air sac;trachea
C) expanded;parabronchi;bronchi
D) compressed;lungs;trachea
E) expanded;bronchi;trachea
Correct Answer:
Verified
Q51: The gas exchange system of _ includes
Q52: The respiratory system of insects consists of
A)
Q53: Air sacs of the avian respiratory system
Q54: If a new air pollutant were to
Q55: Which statement about the air sacs of
Q57: Which organism does not require both external
Q58: Which statement about insect respiration is false?
A)
Q59: In mammals,the respiratory structure(s)that carry air into
Q60: Which feature is similar in the respiratory
Q61: The caudal (posterior)side of the mammalian thoracic
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