A non-specific immune response is where the immune response acts broadly against a range of pathogens to immobilize and destroy them without the production of antibodies. the first and second line defense systems form part of the non-specific immune response.
STEM stands for science, technology, engineering and math programs, which are a priority for the United States because graduates are important to innovation and job creation in the country. Skip to main content
Definition of stem for Students. 1 : the main stalk of a plant that develops buds and shoots and usually grows above ground. 2 : a thin plant part (as a leafstalk) that supports another part a cherry's stem. 3 : the bow of a ship.