<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:
that fluid is transported to the urinary bladder then later expel via the urethra
The correct answer is option A,
Reason - The density of outer core is less than the density of inner core density and thus among all the given options the more probable answer is option A
