--%>
Assignment Help - homework help

Defense mechanisms of body against foreign or harmful agents

Name the two groups of defending techniques of the Human body in opposition to harmful or  foreign agents? Distinguish between them?

E

Expert

Verified

The body has several defending mechanisms against foreign pathogenic agents. Such  method are parted into two classes: the unspecific mechanisms and the specific mechanisms. The specific mechanisms comes under immune system and understand the humoral immune reaction and the cellular immune response that respectively generates antibodies and defend cells against specific antigens. The unspecific mechanisms fight in a normal way any kind of antigen (they don’t have specificity) and in them a sequence of defend means are included, such as skin barrier in opposition to foreign agents, ciliated epithelium and the mucous of the airway, inflammation (the inflammatory response) and the act of unspecific defense cells and proteins (for example, interferons and macrophages).

   Related Questions in Biology

  • Q : ID Force of Freudian Theory -

    The id is the source of strong, inborn drives and urges such as aggression and sex. The id operates on what is called the pleasure principle, that is, it acts to avoid tension and seeks immediate pleasure. However, it tends to operate at a very subjective and unconscious level and is not fully ca

    		•
  • Q : Types of Groups - Organizational

    Groups may be classified into different types. The basis of differentiation may be purpose, extent of structuring, process of formation, and size of the group membership. 1)     Primary and secondary groups: primary groups are those characterized by in

    		•
  • Q : Complementary nucleotide chains of DNA

    How two complementary nucleotide chains of DNA facilitate replication process of molecule?

    		•
  • Q : What is Vendor Management Vendor

    Vendor Management: Vendors are businesses or individuals which supply services or goods to other businesses or individuals. It is a term used to illustrate the process of finding, doing and qualifying business with vendors. Common activities comprise

    		•
  • Q : Phytohormones assist development of

    How do phytohormones assist the development of the parthenocarpic fruits?

    		•
  • Q : Difference between an acid and a base

    What is the difference between an acid and a base?

    		•
  • Q : Cellular respiration During, which

    During, which stage of cellular respiration carbon dioxide gets liberated?

    		•
  • Q : Ureotelic and uricotelic excretions

    Considering the toxicity and the need for dilution in the water compare the ureotelic and the uricotelic excretions? Write some of the examples of animals which have these respective types of excretion?

    		•
  • Q : Respiratory system of insects-arthropod

    Explain how respiratory system of insects (with its independence among respiration and circulation) associated to the motor agility of various species of this arthropod class?

    		•
  • Q : Photosensitivity in annelids-cnidarians

    How does photosensitivity in annelids, cnidarians and worms vary from insects, vertebrates and cephalopods?

    		•