Alveoli
I would say the lung then the diaphram. Air travels through the respiratory system in this order: Mouth/Nose, Pharynx, Larynx, Trachea, Bronchi, Bronchioles, and Alveoli. The bronchioles and Alveoli are found within the lungs, and the diaphragm is found below the lungs.
The lungs are the major organ in the respiratory system, which also includes the nerves, airways and blood vessels that serve them.
The Respiratory System
lung
Breathing
The lungs are the major organs of the respiratory system. The respiratory system consists of nose, nasal passages, nasopharynx, larynx, trachea and lungs.
The main organs of the respiratory system are the nose, pharynx, trachea, bronchi, and lungs.
Major organ in respiratory system is lungs. Major parts of respiratory system would be nose, trachea, bronchus, bronchioles, alveoli and diaphragm Alveoli are the basic units of lungs.
Heart: Circulatory system. Lungs: Respiratory system.
Respiratory, Digestion, etc.
The major organs of the circulatory system are the heart, arteries, veins, and capillaries. The major organs of the respiratory system are the lungs, trachea, bronchi, and diaphragm.
respiratory