The essay sea stars by barbara hurd. what point is the author making by comparing a sea star missing an arm to a human losing a limb?

In "Once Upon a Time." For example, she writes, "my windowpanes are thin as rime, could shatter like a wineglass." In this example, she uses a simile comparing her windowpanes to rime, or the frost that forms on surfaces, to convey how thin her windows are. Later, she writes, using personification, "the arrhythmia of my heart was fleeing, knocking this way and that against its body-cage." In this example, the author compares her irregular heartbeat to a creature who's trying to escape from its cage.

Explanation: These are some literary devices that she uses