Lungs are to the respiratory system as the spleen is the immune system. The spleen removes old red blood cells and also holds a reserve of fresh blood. It also recycles iron in the human body.
yes, they are in the respiratory system. Respiratory comes form the Spanish/Latin word Respirar, which means breath in Spanish, and lungs help you breathe.
digestive system
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.