What maintains the concentration gradient across respiration membranes? A. Ventilation B. Cartilage C. Spiracles D. Cohesion

Eis asked Aug 16, 2022

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20 votes

What maintains the concentration gradient across

respiration membranes?
A. Ventilation
B. Cartilage
C. Spiracles
D. Cohesion

Eis asked Aug 16, 2022

by Eis

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14 votes

spiracles which is c

Huoneusto answered Aug 19, 2022

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