<em>The substance in the polio vaccine that makes it effective in the mitigation of the disease is the polio antigen.</em>
<u>An antigen is any substance that is capable of eliciting an immune response in an individual through the production of antibodies.</u>
Antigens could be of two types;
foreign or hetero antigens
self or auto antigens
Foreign antigens are those whose sources are from outside of the body while self antigens are those within the body, a characteristic of people with auto-immune diseases.
The polio vaccine contains polio antigens which is an inactivated or weakened form of the pathogen responsible for causing the polio disease.
The phylum Glomeromycota represents a group of fungi where all representatives of this division reproduce asexually forming Glomerospores as reproductive structures. These fungi are characterized by being a species that introduces genetic diversity in the population during reproduction, creating a diploid zygote that results from the union of the nuclei of two mutually compatible cells.
The lower respiratory tract is sometimes referred to as the tracheobronchial tree, this describes the branching structure of airways supplying air to the lungs, this includes the trachea, bronchi and bronchioles.
The brain and the spinal cord are part of the central nervous system and the peripheral nerves are part of the peripheral nervous system. The nervous system works as the communication/ control system of the body. It transmits signals throughout the body.
