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 is the law of limiting factors, What is the law of limiting factors? H...

What is the law of limiting factors? How would the rate of photosynthesis be affected if the soil water becomes limiting? Describe.

Describe airway and respiratory support in heart disease, Describe Airway a...

Describe Airway and Respiratory Support in the Newborn ? Like in any other emergency situation a stable airway needs to be established first. Newborns with severe respiratory d

What is patient''s plasma osmolarity after the infusion, Tina administered ...

Tina administered 1 liter of sterile distilled water IV to a patient. Predict the direction (increase, decrease, no change) you would expect Tina's infusion to have produced in the

Penetrating injury, Penetrating Injury Open pneumothorax (sucking c...

Penetrating Injury Open pneumothorax (sucking chest wound)  Hemothorax  Tracheobrochiaf injury  Pulmonary contusion  Mediastinal injury

Implementation of nursing care in acute rheumatic fever, Implementation of ...

Implementation of Nursing Care Provide Bed Rest and Comfort   Your major role as a nurse is to provide bed rest to the child and assist the child and parents to understa

Briefly describe about caramelization, Briefly describe about Caramelizatio...

Briefly describe about Caramelization? Caramelization results from the action of heat on sugars at about 175º C. At high temperatures, sugars dehydrate, break down and polymeri

Community gradients and boundaries, Community Gradients and Boundaries ...

Community Gradients and Boundaries It is often difficult or impossible to determine where one community ends and the next begins. Many communities, in fact, grade continuousl

Slight or no metamorphosis, Slight or no Metamorphosis In primitive w...

Slight or no Metamorphosis In primitive wingless insects (Apterygota) such as spring tails, silver fish etc. and in secondarily apterous insects the young ones which hatch fr

Issues impacting health and development - inequity, Normal 0 fa...

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

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