The Circulatory System pumps blood and the Respiratory and Digestive System carry it though your body.
The respiratory system is the most vulnerable one in the body because it is the one place that blood is closest to the external environment. So, the respiratory system is constantly fighting off bacteria and pollutants.
The diaphragm is the organ of the respiratory system that doesn't touch air.
They don't have one.
respiratory
The mouth is one of the main entry points for respiration. Oxygen enters the system here, and carbon dioxide exits.A:2The mouth is associated with the digestive system. It does not form an essential part of the respiratory system.
Don't smoke.
organ system an example would be respiratory
Images of the human respiratory system can be viewed on several websites. Among these is Teach PE. Google Images also has many images of the human respiratory system.
Circulatory System, and the nervous system are the two i can think of.
It is one of systems in body and it is related to breathing .
Respiratory system