It has no top or bottom but it can hold flesh, bones and blood all at the same time. Yet what I see is nothing I need I am pleased with nothing, and so seek I must do Until my desire is quenched, I'll never be through. Railway tracks NASA was considering sending canaries into space to study them under zero gravity. The project was scrapped when someone realized that in spite of having sufficient water supplies, they could die of dehydration within a few hours. Birds, unlike humans, need gravity to swallow.
Humans can swallow even while hanging upside down.
I am as light as a bird and as lovely flower. I sometime last from year to year, and sometime but an hour. I stop the swiftest railroad train, I break the strongest tree but yet I am afraid of fire. Children play with me. There's this island and there is only 1 bridge to get on and off it.