<em><u>Answer:Anatomically, respiratory tract is divided into upper (organ outside thorax - nose, pharynx and larynx) and lower respiratory tract (organ within thorax - trachea, bronchi, bronchioles, alveolar duct and alveoli). The discussion is mainly concentrated on the lower respiratory tract and the related physiology.</u></em>
The respiratory system provides oxygen to the body’s cells while removing carbon dioxide, a waste product that can be lethal if allowed to accumulate. There are 3 major parts of the respiratory system: the airway, the lungs, and the muscles of respiration. The airway, which includes the nose, mouth, pharynx, larynx, trachea, bronchi, and bronchioles, carries air between the lungs and the body’s exterior.
<span>One characteristic of most of the tropical open oceans that is directly responsible for the low chlorophyll levels in these waters is </span>Low nutrient concentrations.
BINOMIAL NOMENCLATURE is a method of naming and classification used for naming and classifying living organism in their respective taxa in accordance with their characteristics.
CARLOUS LINEOUS was the scientist who developed this system.
It is confusing to use common names because common names have no scientific basis and are of no use while naming organism also many organisms may have different common names in different areas of world.
Scientists use Latin or Greek language for naming and classification.
The first name in a scientific name is the genus name.
The second name in a scientific name is the specie name.
plasma cells will produce IhE antibodies and the IgE's will attach to the surface to mast cells so they can recognize the allergen. hope this helps a little