The Chorion
The same way that a human embryo or any other mammalian embryo does.
A mammal embryo is the developing baby inside the mother.
The gases that are exchanged are oxygen and carbon dioxide.
The placenta.
Rotational Cleavage
The gases that are exchanged are oxygen and carbon dioxide.
Oxygen and carbon dioxide are the gases exchanged in the lungs during breathing.
your m0m and your dad are the 2 gases that are exchanged in the sacs of air, thank me later so by by
Oxygen and carbon dioxide are the gases exchanged in the lungs during breathing.
alevoli
Lungs.
alveoli