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

Define inhibitors and enhancers - absorption of dietary iron, Define Inhibi...

Define Inhibitors and Enhancers - absorption of dietary iron? Phytates and fibre from whole grain cereals, tannins and polyphenols in tea, oxalates in green leafy vegetables li

Disinfectant, General information about disinfectants A disinfectant is...

General information about disinfectants A disinfectant is a chemical that kills disease-causing agents on contact. Natural disinfection agents, such as sunlight, heat, keeping

Cerebrum, what term is used to indicate its grooves?

what term is used to indicate its grooves?

Radiant warmer, Radiant Warmer A radiant warmer is a device used to m...

Radiant Warmer A radiant warmer is a device used to maintain the body temperature of the newborn and thus play an essential role in influencing oxygen consumption, apnea and

Carpentier-technique of operation, Carpentier: Edwards or similar annul...

Carpentier: Edwards or similar annuloplasty ring is then sutured into place by interrupted sutures to support the repair and reduce the annulus to a measured amount. The ring m

#to work as expert, Ask question #process for work as expert#

Ask question #process for work as expert#

Show the circulatory system present in arthropods, Q. What is the kind of c...

Q. What is the kind of circulatory system present in arthropods? Do these animals have respiratory pigments and heart? In arthropods the respiratory system is open (lacunar). B

Stage of total biological inactivity, Q. Is the stage when an insect larva ...

Q. Is the stage when an insect larva is within a cocoon a stage of total biological inactivity? The period when the larva is inside its cocoon is a time of intense biological a

State the medial pterygoid, Medial pterygoid Muscle bounds the pterygom...

Medial pterygoid Muscle bounds the pterygomandibular space medially which is entered when an inferior alveolar nerve block is administered. Infection of this space is dangerous

The blood go after leaving the left atrium, To which heart chamber does the...

To which heart chamber does the blood go after leaving the left atrium? What is the valve that separates these compartments? The arterial blood that has come from the lungs to

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