Amphibians are special animals In that they were the first tetrapods to develop lungs (in adults). Amphibians don't have nares, but instead breathe through their skin. This is do to capullaries placed closely to the outside of the skin, or epidermis.
gills
There are a number of ways in which the respiratory system has changed during the development of amphibians. Their respiratory system developed in such a way that they need more oxygen than they used to.
The main organ in the respiratory system the lungs.
IgA is the main immunoglobulin of the respiratory tract.
The trachea is the main trunk of the respiratory system. It is the central passageway from which the respiratory tree branches.
No but it controls it. The brain is the main part of the nervous system. The lungs are the main parts of the respiratory system.
Morphine is a known respiratory depressant.
lower and upper respiratory system
The main function of the respiratory system is the exchange of gases. It brings in oxygen and elmiinates carbon dioxide.
The main function of the respiratory system is the exchange of gases. It brings in oxygen and elmiinates carbon dioxide.
Tibia APEX
lungs
When Pangaea was in existence, the main animals were reptiles and amphibians. During this time, birds developed also.