Malpighian.
the lungs is the basic unit structure of the human respiratory system
the larynx
no
it consists of two parts
Nose
Medulla Oblongata
You DO find a respiratory structure in each segment of the earthworm. An earthworm uses its skin as the respiratory structure. Oxygen in the air dissolves in the moisture and mucus on the skin then diffuses into blood capillaries close to the skin to be transported to the rest of the body.
ALVEOLI
The epiglottis is the structure that prevents the entry of food into the respiratory system. It is made of connective tissue.
The epiglottis opens to direct air into the respiratory pathway.
Yes, the trachea is the first structure classified as a part of the lower respiratory tract.