elishalieblein8021 elishalieblein8021
  • 18-01-2024
  • Biology
contestada

All other terrestrial vertebrates except amphibians breathe by expanding their lungs and thereby creating a
A. negative pressure within the lungs.
B. positive pressure within the lungs.
C. neutral pressure within the lungs.
D. countercurrent pressure within the lungs.
E. directional pressure within the lungs.

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