Human respiratory system - nasal chamber, Biology

Assignment Help:

NASAL CHAMBER -

  1. External nares are 2 in number, i.e., dirhynous. Situated at lower side of nose. Open into nasal chamber.
  2. Nasal chamber opens into pharynx by internal nares.
  3. Nasal chamber is devided into two fossae by Nasal septum or Mesethmoid septa.
  4. In each fossae 3 regions are clear - vastibular region, respiratory region and olfactory region.
  5. The floor of nasal chamber is formed by palate.
  6. Vestibular region is ectodermal in origin, covered by hairy skin. Hair check the dust particles.
  7. Respiratory region is covered by pseudo stratified sensory vascularized cilliated epithelium.
  8. This region acts as a air conditioning and filtering unit.
  9. Olfactory region is covered by olfactory epithelium.
  10. Arising from the wall of each nasal chamber 3 bonny ridges nasal conchae are sup. middle & inferior.
  11. Conchae are covered with mucous membrane, these conchae increase surface area.

Functions -

1.      To detect smell

2.      To check dust particle

3.      To keep air moist

4.      To destroy bacteria by mucous.

5.      Functions as air conditioning.


Related Discussions:- Human respiratory system - nasal chamber

Embryology in relation to taxonomy, Q. Embryology in relation to taxonomy? ...

Q. Embryology in relation to taxonomy? Embryological information has been used for taxonomic purposes at various levels of classification. You know of a very basic division of

Define immediate preoperative period during surgery, Define Immediate Preop...

Define Immediate Preoperative Period during Surgery? Nothing should be given by mouth for at least 8 hours before a general surgery so that the stomach has no leftover food at

How many are the well-known amino acids, Q. How many are the well-known ami...

Q. How many are the well-known amino acids that form proteins in living beings? There are twenty different known amino acids that form proteins related to the genetic code of t

Mold, Does mold have roots? When mold is inside on wood - are there roots t...

Does mold have roots? When mold is inside on wood - are there roots that go into substrate? I am trying to find this out today if possible to evaluate a remediator''s plan. I am wo

Allow the natural capital from one country to be utilized, In today's globa...

In today's global economy, goods flow from one country to another like never before, allowing the natural capital from one country to be utilized in many other countries. Some have

Blood flow during exercise - circulation, Normal 0 false fals...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

What are the major gas exchange organs of the plants, What are the major ga...

What are the major gas exchange organs of the plants? How is the procedure accomplished? In covering of the leaves and of the primary structure of the stem gas exchange is made

Isomerization of dihydroxyacetone phosphate, Isomerization of dihydroxyacet...

Isomerization of dihydroxyacetone phosphate Isomerization  of  dihydroxyacetone phosphate: Triosephosphate isomerase interconverts  dihydroxyacetone phosphate and  glyceralde

What is esophagus called, What is the valve that separates the stomach from...

What is the valve that separates the stomach from the esophagus called? What is its function? The valve that separates the stomach from the esophagus is the cardia. It has the

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd