They both can expel water from the polymer network
In your cells, cellular respiration happens in a special organelle called the mitochondrion. But as mentioned, prokaryotic organisms don't have organelles. Rather than taking place in the mitochondrion, cellular respiration happens either in the cytoplasm or across the plasma membrane of the cell.
<span>When this situation happens you would begin by suspecting an opiate or barbiturate overdose then you would begin mouth-to-mask rescue breathing.</span>
The outer skeleton provides protection due to the fact that invertebrates do not have backbones