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

Blunt injury, Blunt Injury Closed penumothorax  Tension pneumoth...

Blunt Injury Closed penumothorax  Tension pneumothorax  Tracheobronchial injury  Fracture ribs and flail chest  Mediastinal injury

Explain the treatment of lyme disease, Treatment of Lyme Disease Lyme d...

Treatment of Lyme Disease Lyme disease in North America is caused by the spirochete  Borrelia burgdorferi, which is transmitted to humans by Ixodes scapularis or pacificus tick

Aves, Flighting adaptations in birds

Flighting adaptations in birds

What is dyslipidemia or hyperlipidemia, Q. What is Dyslipidemia or Hyperlip...

Q. What is Dyslipidemia or Hyperlipidemia? It has been known for over five decades now that dyslipidemia is associated with increased severity and prevalence of atherosclerosis

Lymph, Why lymph is also called middle man of body

Why lymph is also called middle man of body

Factors that affects oxygen dissociation curves, Factors that affects Oxyge...

Factors that affects Oxygen Dissociation Curves Oxygen dissociation curve for a sample of blood is affected by several factors. The most important of them are: Te

Marine ecosystems, Marine Ecosystems Marine ecosystems cover 70 per c...

Marine Ecosystems Marine ecosystems cover 70 per cent of the earth's surface and have an average depth of 3.750 m (the greatest known depth being 10,750 metres in the Mariana

Phylum chordata, main subdivision of phylum chordata

main subdivision of phylum chordata

Inorganic nitrogen and sulphur metabolism, Inorganic Nitrogen and Sulphur M...

Inorganic Nitrogen and Sulphur Metabolism Productivity in agriculture, forestry and other ecosystems is basically limited by the availability of nitrogen nutrients like nitrat

Explain various chemical formulas, Explain various chemical formulas? C...

Explain various chemical formulas? Chemical Formulas A molecule can be represented in any of three ways: its chemical formula, structural formula, or Lewis diagram. A chemic

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