How Does an Unborn Baby Chick Breathe Oxygen from Inside the Egg?

  1. Jangaplanet profile image78
    Jangaplanetposted 6 years ago

    How Does an Unborn Baby Chick Breathe Oxygen from Inside the Egg?

  2. Dubuquedogtrainer profile image59
    Dubuquedogtrainerposted 6 years ago

    Oxygen passes through the eggshell via microscopic holes.

 
working