Answer:
Where humans breath liquid?
What word starts with 'E', ends with 'E', but only has one letter? It is not the letter 'E'.
You should keep it as straight as can be, yet very few do. Most of the time it's slightly bent or curved. Your sadness usually causes it to bend further, but donβt bend it for too long or it may never be able to fully straighten out again. What is it?
This is rectangular, hollow and has a lid, and where youβll find it you might wonder, it is just six feet under. What is it?
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around.
I'm the source of all emotion but I'm caged in a white prison.