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

The androecium in a flower of china rose, The technical term used for the a...

The technical term used for the androecium in a flower of China rose (Hibiscus rosasinensis) is: 1. Monadelphous 2. Diadelphous 3. Polyandrous 4. Polyadelphous

Determine the architecture of cell, Determine the architecture of cell ...

Determine the architecture of cell There are over 200 types of cells in the human body, which are assembled into a variety of tissues, such as, the epithelia, connective tissue

What is bile salts, What is Bile salts Bile salts have a considerable...

What is Bile salts Bile salts have a considerable ability to lower surface tension. By  this property, they prevent  the coming together of the small fat droplets in  the  in

What is the meaning of prohaptor, What is the meaning of Prohaptor? The...

What is the meaning of Prohaptor? The specialized attachment sucker which surrounds the mouth in monogenean flukes. It comrpise adhesive structures which help attach the animal

Discuss about the common migraine, Discuss about the Common migraine Th...

Discuss about the Common migraine This is the most frequent type, occurring in more than 80% of migraine sufferers. There is no clear aura as there is in classic migraine, but

Subcellular particle, Name the subcellular particle where the electron tran...

Name the subcellular particle where the electron transport chain is located. Mitochondria is  the subcellular particle where  the electron transport chain is located.

Polyphyletic theory - metazoa, Polyphyletic Theory - Metazoa This theo...

Polyphyletic Theory - Metazoa This theory was suggested by Greenheig (1959) and some other workers. According to this theory, sponges, coelenterates, ctenophores and flatworms

Define transport proteins in plasma, Define Transport Proteins in Plasma? ...

Define Transport Proteins in Plasma? Transport proteins, embedded in lipid membranes, make easy the import of nutrients into cells or the release of toxic products into the sur

Symptomatic patient-chronic mitral regurgitation, Symptomatic patient: Sy...

Symptomatic patient: Symptomatic patient (class 11, 111 or IV) with severe MR and normal left ventricular function (EF > 0.6) and end systolic dimension of LV

Electron transport and oxidative phosphorylation, Many of the free energy f...

Many of the free energy free during the oxidation of glucose to CO 2 is retained in the decreasing coenzymes NADH and FADH 2 producing while glycolysis and the citric acid cycle.

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