<span>the absence of some of the tissue allows water molecules that enter these damaged cells to also leave the cytoplasm </span>
Hi.
Your answer would be myelin sheath.
Abiotic features are not living. they may play a role in helping biotic creatures live, but them theirselves do not live.
Insect's antennae is most similar to the <u>nose</u>
They are used for the sense of smell.