It is important to know the parts of a sentence. Lungs is the direct object in the sentence, "They develop lungs as an adult. ".
Adults (and children) use their lungs all their lives.
Yes, children's lungs are smaller than adults lungs.
with their lungs
The adults do.
yes
The only animal that has true lungs and gills is the lungfish. Animals like frogs often have gills for a portion of their lives and then later develop lungs.
The lungs are the last organs to develop in utero. They are generally developed enough to be able to perform breathing at about 32 weeks, or 7 1/2 months.
Newts primarily breathe through their skin and lungs as adults, but they also possess gills during their larval stage. Juvenile newts may retain their gills in an aquatic environment, but as they mature, they typically develop lungs for breathing air. In addition to lungs, the permeable skin allows for gas exchange in both aquatic and terrestrial environments.
The gills are replaced by lungs as they become adults
Not sure have no clue
lungs
No, if the mother is in premature labor, she is given the medication and it goes to the baby to help develop his or her lungs.