A baby's lungs usually become fully developed within a month of being born, and this is why premature babies need special care.
They are full of amniotic fluid and, until birth, have not been inflated.
No, the diaphragm does not function in a pig fetus. The pig fetus has no need to breathe prior to birth, it receives oxygen through the umbilical cord.
If the umbilical cord is not cut off it will deteriorate after the pig makes full use of its lungs. The pig uses its lungs immediately after it is born.
my lungs has black spots on them and they say it crystllize on my lungs what is it is it harm full to me.
they are then full of air!
Yes, that is very common.
It is the female organ that brings a fetus to full development.
After the egg has been fertilized the egg transfoms into a zygote the embryo and then a fetus which after becomes a baby!
Yes, numbats have lungs. Numbats are mammals, and all mammals have lungs and a full respiratory system.
76 months
Since helium is seven times lighter than air, when your lungs are full of helium and you begin to speak, the compression waves of the sound of your voice move faster through the helium until they are expelled from your lungs. At that point, the waves are quickly slowed. However, the ear detects more closely bunched sound waves as a higher pitch, such as those moving moving more rapidly through the helium.
A miscarriage. Meaning "missed birth".