Breathing or ventilation, Biology

Assignment Help:

VENTILATION OR BREATHING -

15-16 / minute (In Rabbit 36-38). In children 35 / 1 minute.

1.      INSPIRATION

  • In take of air is known as inspiration. First of all external I.C.M. is contracted.
  • Ribs become straight. Sternum comes out 1.5 cm. It is thoracic breathing (25%).
  • Radial muscles of diaphragm are contracted. It becomes flat.
  • It is abdominal breathing or true breathing (75%). Both breathing collectively known as Eupnia.
  • Thoracic breathing takes place in deep breath only. It gets stimulation from cerebrum.
  • Due to all volume of thoracic cavity is increased & pressure is decreased. (1-3 mm Hg than 760 mm Hg).
  • To fullfil this pressure air enters into lungs.

1574_inspiration and expiration.png

2.      EXPIRATION -

  • All muscles are relaxed so it is passive process. Volume is decreased.
  • Pressure is increased (1-3 mm Hg than 760 mm Hg). Air is given out.

Related Discussions:- Breathing or ventilation

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?

Explain the procedure for testing quality of water, Explain the Procedure f...

Explain the Procedure for Testing Quality of Water Using Presumptive Test? Now carry out the exercise following the steps indicated herewith. 1. Make 3 series of lactose bro

Cell biology, Explain the functis of the main organelles in plant and anima...

Explain the functis of the main organelles in plant and animal cell as seen under the lightmicroscope

Taxonomic evidences of evolution, T AXONOMIC EVIDENCES - Taxonomy i...

T AXONOMIC EVIDENCES - Taxonomy is the classification of organism. The gradual development in the complexity of organisms with specialized characters from simpler organisms

Explain the alterations occurring in egg, Alterations occurring in egg ...

Alterations occurring in egg The quality, flavour, composition and functional properties of eggs are adversely affected more rapidly and to a greater extent by the speed and co

Viral Replication, 1. You are observing adsorption of a virus to the host c...

1. You are observing adsorption of a virus to the host cell, it uses long leg-like structures, what are they called?

Absorption of lipids, what are lipids? how ther absorption takes place in h...

what are lipids? how ther absorption takes place in human bodies?

What are taxonomic characters, What are Taxonomic characters Taxonomic...

What are Taxonomic characters Taxonomic characters Classification is done on the basis of information we have. More information gives better classification. Modern taxonomy

Preparation of tlc plate, i want to extract my compound of interest from tl...

i want to extract my compound of interest from tlc i m finding some enzyme inhbitor from microbial source can you plzz suggest me how to prepare nad get my compound

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