No. They do not 'breath' for themselves whilst in the womb. The mother breaths for it, her oxiginated blood is shared with the unborn elephant.
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No, They receive oxygenated blood through the umbiliacl cord, humans do not have gills.
Yes. A whale is a mammal. Mammals have lungs.
Elephants breathe with lungs.Most land animals breathe with lungs.All mammals breathe with lungs.All reptiles breathe with lungs .All birds breathe with lungs.Some amphibians breathe with lungs, while some do not.Only fish and marine crustaceans breathe with gills.
Yes, babies absolutely have gills, it is how an unborn baby breathes while inside of the womb. Research suggests that when a baby is berthed in a bath, a pool, a lake, an ocean, or any other type of water environment, the gills take action and allow the baby to breathe in air, even when surrounded by water (Mculoch et al. 2010). The Sea Gypsies are a prime example of this, these people have developed their gills their entire lives, and could basically live under water if they really wanted to.
no, because then those gills gills would need gills and they would need gills and so on, so on. They have specialised cells instead.
gills.
an unborn horse fetus, just like an unborn human fetus.
gills are structures in fish for breathing in water while gills chambers are the cavities in which gills are enclosed
Octopuses have gills, not lungs. They use their gills to extract oxygen from water, allowing them to breathe underwater.
The unborn are babies that have not been born yet.
Definitely the unborn.
Yes they have gills, but during their transformation into a frog they gain lungs and then lose their gills.