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

What are extraembryonic membranes, What are extraembryonic membranes? E...

What are extraembryonic membranes? Extraembryonic membranes are membranous structures that appear in parallel with the embryo and play significant roles in the embryonic develo

Colony collapse disorder in honey bees, Q. Colony collapse disorder in hone...

Q. Colony collapse disorder in honey bees? Honey bees (Apis mellifera) are social insects and live in colonies in hives. Honey bees were introduced from Europe to the USA to po

Define briefly about the selenium, Define briefly about the Selenium? T...

Define briefly about the Selenium? The element selenium was discovered in 1817 in association with the element sulphur. However, selenium as an essential nutrient remained unre

What are the four types of weak bonds, What are the four types of weak bond...

What are the four types of weak bonds, and how do they differ from each other and from covalent bonds?

What is standard operating procedure manual (sop), Question 1 What is s...

Question 1 What is standard operating procedure manual (SOP)? Do you think it is important to maintain SOPs in all the laboratories? List the advantages of maintaining SOPs in

Which gas expect to be more soluble in water, Which gas in each of the foll...

Which gas in each of the following pairs would you expect to be more soluble in water? Why? (a) Oxygen and Carbon Dioxide (b) Nitrogen and Ammonia (c) Methane and Hydrogen Sulfide.

Human body, what are the importance in studying animal tissues?

what are the importance in studying animal tissues?

Ureotelism - excretion, Normal 0 false false false EN-I...

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

What is molting, What is Molting? Explain in brief. The periodic sheddi...

What is Molting? Explain in brief. The periodic shedding of outer body covering of an animal. The term is applied to a variety of things including: loss of the outer exoskeleto

Enrobed meat products, E n r o b e d Meat Products Enrobing/coati...

E n r o b e d Meat Products Enrobing/coating of meat products with edible materials enhances the acceptability and creation of variety to meat products. Whole egg liquid,

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