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Home Q & A Board Biology-Related Homework Help Zoology and Botany (Moderator: ehd123)
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MohamadMatar MohamadMatar
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6 years ago
Respiration in birds differs from mammals in that birds have
 a. lungs used for gas exchange only.
  b. a comparatively higher tracheal volume.
  c. air capillaries.
  d. air sacs for ventilation.
  e. all of these.
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miguelhdz8miguelhdz8
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6 years ago
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MohamadMatar Author
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6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
logbi
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Yesterday
Smart ... Thanks!
oscar520000
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2 hours ago
Thank you, thank you, thank you!
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