Which Statement About Respiration in Birds and Mammals Is True

question 109

Multiple Choice

Which statement about respiration in birds and mammals is true?

• A) Ventilation in bird lungs is bidirectional, but ventilation in mammal lungs is tidal.
• B) Mammals have less dead space in their lungs than do birds.
• C) Because of the efficiency of their respiratory systems, we would expect to see birds, but not mammals, at very high altitudes.
• D) Air sacs are present in the respiratory systems of birds and some mammals.
• E) A single breath of air remains in a mammal's respiratory system for one inhale and one exhale and in a bird's respiratory system for three cycles of inhalation and exhalation.

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Definitions:

Basilar Membrane

A key structure in the cochlea of the inner ear, which plays a critical role in the process of hearing by vibrating in response to sound waves.

Hair Cells

Specialized sensory cells located in the ear that detect sound waves and convert them into nerve signals.

Electrical Signal

Electrochemical transmission used by neurons to communicate information throughout the nervous system and brain.

Decibels

A unit of measurement for sound intensity, representing the relative loudness of sounds.