Where are the statements, huh wait what
<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.
Your reflection will warp. I don't mean to be rude, but don't you have a spoon to test this out for yourself?
C 50%
Sorry I have to fill the rest with random characters djsjsndkjhsuxnshskshd