Respiratory system
The respiratory system. The alveoli are air sacs in the lungs.
Heart: Circulatory system. Lungs: Respiratory system.
The lungs are the main organ of the respiratory system, but they are also an organ in the circulatory system.
No. Your Lungs are part of your respiratory system, not you digestive system
The lungs belong to the respiratory system.
In the breathing system, which supports the circulation system by giving oxygen to the hemoblobin in the blood.
The lungs are part of the respiratory system (breathing)
The lungs connect to and are a part of the respiratory system.
The lungs belong to the Respiratory System.
This is called the Respiratory System. It allows the body to breathe and receive air.
Lungs