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

How do you verify that a certain gene encodes a certain prot, For homework,...

For homework, I had to prove that a certain catalyst was a protein, then tell how I would purify the protein, then tell how I would clone a human chromosomal region that contains t

Different phases of spermatogenesis, DIFFERENT PHASES OF SPERMATOGENESIS ...

DIFFERENT PHASES OF SPERMATOGENESIS Spermatogenesis complete into two phases. 1 .       Spermatocytogenesis The entire process can be divided into three phases : (i

Staphylococcal food poisoning, Staphylococcal food poisoning results from c...

Staphylococcal food poisoning results from consumption of food containing enterotoxin produced by enterotoxigenic strains of Staphylococcus aureus. It is caused by ingestion of imp

Cell wall, Cell wall is the structure produced by some of the cells outsid...

Cell wall is the structure produced by some of the cells outside their cell membrane; variously composed of the chitin, peptidoglycan, or cellulose.

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

Where in these kinds of cells can dna are found, Q. Bacteria are prokaryoti...

Q. Bacteria are prokaryotic cells, i.e., they don't have a membrane-delimited nucleus. Eukaryotes have cells with a delimited nucleus. Where in these kinds of cells can DNA are fou

Senescence - effects of plant growth regulators, Senescence - Effects of Pl...

Senescence - Effects of Plant Growth Regulators on Development All five major growth regulator groups: auxins, gibberellins cytokinins, abscisic acid and ethylene can influenc

Which the phylum echinodermata is divided, Q. What are the classes into whi...

Q. What are the classes into which the phylum Echinodermata is divided? The five echinoderm classes are: asteroids (starfishes), ophiuroids, crinoids, holothuroids (sea cucumbe

The stem cells -pulp tissue revascularization, The Stem Cells The Stem ...

The Stem Cells The Stem Cells are undifferentiated mesenchymal cells that can proliferate and differentiate into many other types of cells.These are Clonogenic cells capable of

Should human gene therapy be continued, Debate over ethics of using gene th...

Debate over ethics of using gene therapy for treating human beings started since the discovery of recombinant DNA technology. The mere fact that it involves the alteration of DNA w

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