<span>The correct answer is b.0.5 to 1 micrometre thick.</span>
Usually, the respiratory membrane is about 0.6 micrometres thick. This membrane consists of the alveolar epithelial cells, the capillary endothelial cell, and basement membranes which are formed by the alveolar and capillary cells.
Answer:
Explanation:
why do you need the answer
The answer is B... im just making a guess so...
A. Kinetic energy is the energy of motion. B,C,D all describe situations where there is not movement.
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