The correct order of the layers of the gastrointestinal tract wall from lumen to external surface is mucosa, submucosa, muscularis externa, and serosa (or adventitia depending on the location in the body).
Yes, the trachea is the first structure classified as a part of the lower respiratory tract.
No it's made by idiots like you!
Acute= severe. Lower Respiratory Tract= Respiratory system below the larynx. This refers to a pneumonia or a bronchitis.
The respiratory tract consists of organs and tissues such as the nose, pharynx, bronchi, trachea and alveoli. The respiratory tract starts at the nose.
Mucosa, submucosa, muscularis externa, serosa
The main immunoglobulin of the respiratory tract is Immunoglobulin A (IgA). It plays a crucial role in defending against pathogens that enter through the respiratory mucosa by neutralizing and preventing their attachment to the mucosal surface.
The residual volume is the portion of air in the respiratory tract that cannot be exhaled.
URI is the medical abbreviation meaning upper respiratory tract infection.
No, the upper respiratory tract includes the nose or nostrils, nasal cavity, mouth, throat (pharynx), and voice box (larynx).
Though slightly variable, from outside to inside it lies as serosa, muscularis, submucosa and mucosa.
it is a kind of upper respiratory tract infection...ear infection, laryngitis, pharyngitis etc, are other upper respiratory tract infections