Respiratory system
The respiratory system. The alveoli are air sacs in the lungs.
The lungs belong to the respiratory system.
This is called the Respiratory System. It allows the body to breathe and receive air.
In the breathing system, which supports the circulation system by giving oxygen to the hemoblobin in the blood.
The lungs belong to the Respiratory System.
The lungs are part of the respiratory system! they help the circulatory by giving oxygen, but they are just respiratory.
The lungs are the major organs of the respiratory system. The respiratory system consists of nose, nasal passages, nasopharynx, larynx, trachea and lungs.
The respiratory system.
Respiratory system
The lungs are the main organ of the respiratory system, but they are also an organ in the circulatory system.
Heart: Circulatory system. Lungs: Respiratory system.