Yes. Digestion is not depended on orientation of the person (or the astronauts would be really hungry!)
A flamingo, they do this because of a filter in their mouths. this filter enables them to eat underwater without swallowing water. Its upside down though so they eat upside down
Humans don't need gravity to swallow, although, interestingly, birds (i.e. canaries) do.
If you are incredibly stupid, keep reading for the answer. Bats eat upside down because when they find the food, they get it, then hang upside down on a tree branch to eat it.
Yes you can.
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Yes
A flamingo is a bird that turns it's head upside down to eat food :) I really hope my answer was helpful :)
They mostly eat twigs and leaves but also flower petals. They eat everything upside down. Believe it or not they even give birth and sleep upside down.
they can.... i saw it before
A flamingo. It 'filter feeds' by pressing vegetable matter to the roof of it's mouth with its tongue. It does this with its head upside down.
peristalsis concentric contractions of the muscles in your esophagus
Crows are very intelligent creatures, and enjoy testing their limits, especially in regards to humans. However, they cannot fly upside down.