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

Explain the pour plate method, Explain the Pour Plate Method Isolated c...

Explain the Pour Plate Method Isolated colonies can also be obtained by pour plate method. The method involves mixing of small volume of microbial suspension with molten nutrie

Meaning of diabetes self management education, Q. Meaning of Diabetes Self ...

Q. Meaning of Diabetes Self Management Education? You have learned that the treatment of diabetes depends upon the cooperation of the patient and also on how actively a patient

Inhibition might contribute to tumor formation, We now understand that muta...

We now understand that mutations that cause the inhibition of apoptosis are found in tumors. Because proliferation itself is not induced by the inhibition of apoptosis, explain how

Ancillary and sanitary accomodation, Ancillary Accomodation: Ward Kit...

Ancillary Accomodation: Ward KitchenIPantry:  It should have large sink and drain board along with fly proof door. If  the food is received from central kitchen and tray pre

Which are the types of neurons, Which are the types of neurons that partici...

Which are the types of neurons that participate in the spinal arch reflex? Where are their cell bodies situated? In the arch reflex first a sensory neuron located in the gangli

Preventive measures of rheumatic fever, Preventive Measure Primary p...

Preventive Measure Primary prevention Early detection and treatment of group "A" b-hemolytic streptococcal pharyngitis. Penicillin is the commonly prescribed drug. Educ

What is revisions, Q. What is Revisions? Revision accounts for only a s...

Q. What is Revisions? Revision accounts for only a section of a genus or for the elements as restricted to a continent or smaller geographical area. Some revisions are based so

What are halophile, What are halophile, thermoacidophile and methanogen arc...

What are halophile, thermoacidophile and methanogen archaebacteria? There are three peculiar parts of archaebacteria. The halophile archaebacteria only survive in salt-rich env

The lower course - classification of the river, The lower course - Classifi...

The lower course - Classification of the river The lower course of the river occurs in the plains, across which it meanders or zigzags slowly. The river here loses much of its

Explain about osteogenesis, Explain about Osteogenesis Osteogenesis, la...

Explain about Osteogenesis Osteogenesis, large amounts of woven bone can be formed very rapidly. This bone is believed to be much more compliant than organized lamellar bone. I

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