159k views
2 votes
How do lungs develop?

2 Answers

6 votes

Answer: More surfactant is produced as the lungs carry on developing. The blood vessels and lung cells develop and change to increase the amount of surface area available for oxygen to get into the blood. This prepares your baby's lungs to breathe outside the womb.

User Venise
by
5.4k points
3 votes
In the last few weeks of pregnancy the first air sacs develop. More surfactant is produced as the lungs carry oberdeveloping. The blood vessels andblung cells develop and change to increase the amount of surface area available for oxygen to get into the blood. This prepares your baby's lungs to breathe outside the womb
User Nakeuh
by
6.1k points