Respiratory tree is present in echinoderms eg. sea urchin it helps in respiration and protection from predators by evisceration .
the terminal first
The trachea is the main trunk of the respiratory system. It is the central passageway from which the respiratory tree branches.
alvioli
respiratory bronchioles, alveolar ducts and alveoli
Bronchioles
lung tissue has what consistency?
The bronchial tree, specifically the bronchioles, terminate in a grape0like cluster of respiratory structures. These structures are the alveoli.
The bronchial tree, specifically the bronchioles, terminate in a grape0like cluster of respiratory structures. These structures are the alveoli.
Respiratory system has got cilia all over the tracheobronchial tree. This protect the respiratory system from damage.
Cilia are present all over the bronchial tree. Cilia push the foreign particles out wards. By this way cilia protect your respiratory system from damage by particles. Cilia also push the bacteria out from the respiratory tract.
The main parts of the lower respiratory tract are the trachea, two bronchial tubes, the bronchioles, and the lungs. The upper and lower respiratory tracts come together to make up the entire respiratory system.