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MediumZoologyRespiratory system
+4 / -1
Choose the correct statement regarding the human respiratory system:
A
The conducting part extends from external nostrils up to the terminal bronchioles.
B
Expiration occurs when intra-pulmonary pressure is lower than atmospheric pressure.
C
The trachea, primary, secondary, and tertiary bronchi are supported by complete cartilaginous rings.
D
Vital capacity is the sum of IRV + ERV + RV.
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