How Birds Get Oxygen Inside Their Eggs
Sección: Ciencias Naturales
Creado: 20-02-20 (Actualizado: 02-11-20)
A beautiful tour of the bizarre system that keeps chicks from suffocating before they hatch. ââ Links & Info ââ SUBMIT A QUESTION HERE: http://www.npr.org/sk...
https://www.youtube.com/watch?v=w-M33PtwtM4&app=desktop