Protection, sensory perception, storage, absorption, sunscreen, dilation, and constriction
Allergic responses to inhaled antigens occur when an individual is first sensitized to the antigen (i.e., the allergen), inducing an immune response and then has a subsequent exposure to the same antigen. The sensitization phase is characterized by <u>Induction of a CD4 T cell type II immune response</u>.
The process by which your body becomes sensitive to a particular substance is called sensitization. When your immune system becomes sensitized to an allergen, you can develop certain symptoms.
Antigens that can induce an allergic response are called allergens, and they are often derived from non-infectious or non-microbial sources.
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Bacteria would be an example of a prokaryotic cell.
hope this helps. (:
They are much much smaller and much much cooler despite being much much closer to the sun.the gas giant's mass allows for constant movement and friction which warms up it's core.
