Lungs
Article
From Urantia Wiki, the encyclopedia of The Urantia Book
Arthropods' swim bladders evolved into lungs, enabling amphibians to breathe air and inhabit both land and water environments. 59:5.5
Categories: Concepts and teachings
From Urantia Wiki, the encyclopedia of The Urantia Book
Arthropods' swim bladders evolved into lungs, enabling amphibians to breathe air and inhabit both land and water environments. 59:5.5