--%>
Assignment Help - homework help

How body protect itself from micro-organism

How does the body protect itself from micro-organisms and other harmful substances which enter the airway throughout the breathing procedure?

E

Expert

Verified

The epithelium of airway is a ciliated epithelium and consists of mucus-secreting specialized cells. The secreted mucus encloses the interior wall of the airway retaining organisms and foreign particles which then are swept by the cilia of epithelium.

In mucous ciliated epithelium of the airway there is as well intense activity of the immune system with antibodies and leukocytes destroying and inactivating foreign agents.

Other defense methods of the airway are the cough and sneeze. They help in the removal of solid and semi fluid particles such as pathologic residuals (or sputum) and accidentally aspired objects.

   Related Questions in Biology

  • Q : Credit Management and pricing How

    How credit management is associated with pricing?

    		•
  • Q : Differentiation between facilitated and

    Write down the differentiation between facilitated and simple diffusion. Facilitated through which kind of molecule does the word ‘facilitated’ signify?

    		•
  • Q : Types of muscles Name the two types of

    Name the two types of muscles?

    		•
  • Q : Define the term synapses Define the

    Define the term synapses? Briefly explain it.

    		•
  • Q : Order of placental

    Write down main orders of placental mammals? And also write down some representative species and distinctive aspects of each of those orders?

    		•
  • Q : Main human diseases caused by the fungi

    Write down the main human diseases caused by the fungi?

    		•
  • Q : Is epithelium vascularized Is

    Is epithelium vascularized? How do oxygen and nutrients reach the epithelium? Why is this characteristic an important evolutionary acquisition?

    		•
  • Q : International Business Exam 1.  The

    1.  The world economy has become more global as nation states have become more tightly integrated. The potential business opportunities have increased commensurately. a)      Describe and examine the shifts in the world economy over the last 30 years.

  • Q : I-You and I-Thou relationship I have  a

    I have  a problem in the comparison of I-You and I-Thou relationship. So give me the Comparison and contrast what happens in an I-You relationship with an I-Thou relationship.

    		•
  • Q : Mitosis An oak tree cell with 14

    An oak tree cell with 14 chromosomes undergoes mitosis. How many daughter cells are formed, and what is the chromosome number in each cell? If the same cell had undergone meiosis, how many cells would have resulted, and what would have been the chromosome number in each?

    		•