They breathe in air and exhale CO2 just like humans do.
Oxygen we inhale oxygen and exhale carbon dioxide
Carbon dioxide (CO2). It is exchanged with Oxygen (O), which is inhaled. This exchange is called the Gas Exchange and it happens in the Aveolus.
You inhale oxygen, and you exhale carbon dioxide.
Exhale.
Humans inhale oxygen and exhale carbon di oxide.
carbon doxide
This gas is nitrogen.
Carbon Dioxide is important to exhale.
Carbon-Dioxide
Carbon Dioxide.
Carbon Dioxide