They are full of amniotic fluid and, until birth, have not been inflated.
food
During childhood, she suffered collapsed lungs twice.
in a fetus blood does not reach the lungs for purification. In a baby blood goes to the lungs for oxygenation.
atelectasis can result in aartially or totally collapsed lung
de buk lau
in a fetus blood does not reach the lungs for purification. In a baby blood goes to the lungs for oxygenation.
in a fetus blood does not reach the lungs for purification. In a baby blood goes to the lungs for oxygenation.
It is the underdevelopment of the lungs in a fetus
lungs
They need air to operate properly, the fetus develops in fluid until born. The lungs first work shortly after the baby is born.
a fetus doesnt require much oxygen in the lungs as it isn't in the air and isn't being breathed in. a fetus aquires oxygen through other processes
The pig has not yet used the lungs to breathe, so therefore they lungs have not been inflated and filled with air.
no the lungs and the pumonary circuit do not operate in the fetus until birth