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

Secretory proteins, Proteins destined to be secreted from the eukaryotic ce...

Proteins destined to be secreted from the eukaryotic cell are synthesized by ribosomes bound to the RER (rough endoplasmic reticulum). As the protein is synthesized it is transloca

What is the definition of polyphenols, What is the Definition of Polyphenol...

What is the Definition of Polyphenols? Polyphenols are the compounds that contain an-ON group attached to the benzene ring. The main classes are: flavonoids, phenolic acids and

Meiosis, does crossing over occur in all the homologous chromosomes???

does crossing over occur in all the homologous chromosomes???

LPN, In many tests it is acceptable to read a positive result before the in...

In many tests it is acceptable to read a positive result before the incubation time is completed. why is this not the case with starch agar?

Haemoglobin, Haemoglobin Among the respiratory pigments we shall consi...

Haemoglobin Among the respiratory pigments we shall consider haemoglobin in some detail as this is the most familiar, widespread as well as the most efficient respiratory pigm

Long-hair in cats is because of recessive long-hair allele, Long-hair in ca...

Long-hair in cats is due to the recessive long-hair allele, l. Black cats (rather than tabbies) are due to the recessive agouti allele, a. A long-haired black female cat has mat

Lan in hospitals, LAN LAN stands for Local Area Network. This kind of ...

LAN LAN stands for Local Area Network. This kind of network consists of a set of interconnected computers that are not geographically spread out over a large area. For exa

Explain modified starches, Modified Starches In your opinion, what woul...

Modified Starches In your opinion, what would be an ideal starch for all industrial uses including in food use? Well, one would think an ideal starch  for most of the foods sho

Explain the functionality of hot air oven, Explain the Functionality of Hot...

Explain the Functionality of Hot Air Oven? Hot air oven sterilizes the object by hot dry air. It kills the microorganisms by oxidizing cellular constituents. Dry Heat is less e

Respiration, what is the organ of respiration in snaks

what is the organ of respiration in snaks

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