to breath
yes they do need the air that we breath out
we need air to breath and supply oxegen to our blood.
I have no idea but it is air I only can breath in.
Flowers need air to breath like humans!
so you can breath
No, they have gills.
yes penguins do need air to breath underwater.
They help us because they give off the air we need to breath. They help us because they give off the air we need to breath.
Why it's unhealthy to not breath is that your lungs need the air we breath in now so we can breath and other things.
Well its not like we need to breath.
Under water doesnt have enough air molucules that we need. Therefore we cant breath underwater. :)