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

State in brief about the term - calcium and magnesium, State in brief about...

State in brief about the term - Calcium and Magnesium  Exchangeable forms of these ions are considered to be available nutrients. The concentration from extractant is found by

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

Determine the modification of native starch, Determine the Modification of ...

Determine the Modification of native starch Modification of native starch can be either physical or chemical. Chemical modification includes reaction of starch with  acid or al

Explain metabolism of iron, Explain Metabolism of Iron? In this sub-sec...

Explain Metabolism of Iron? In this sub-section, we will study how body gets its iron supply, how iron is transported and utilized by the various tissues and how iron balance i

What is mendels crosses in genetics explain breifly, What is Mendel's Cross...

What is Mendel's Crosses in genetics explain breifly? Mendel found that if he transferred pollen from a green-seed strain to a yellow-seed strain and vice versa, in a process c

What is critical photoperiod, What is critical photoperiod? And How can the...

What is critical photoperiod? And How can the critical photoperiod relate to flowering be experimentally determined? Critical photoperiod is the limit of the photoperiod durati

Evaluate what is the frequency of carriers in a tank, Zebrafish are raised ...

Zebrafish are raised in fish tanks with one family per tank. The mutation spadetail is a recessive lethal. A stock tank for spadetail was made by crossing two carriers. The fish in

Phosphorylation of glucose, Phosphorylation of  glucose Glucose is con...

Phosphorylation of  glucose Glucose is converted to  glucose-6-phosphate since phosphorylated  intermediates do not readily penetrate cell membrane and  this commits glucose  t

Major divisions of the chordate phylum, Q. What are the two major divisions...

Q. What are the two major divisions of the chordate phylum? Chordates are divided into vertebrates and protochordates (urochordates and cephalochordates). Q. What are the d

Determine the concept of digestion of fats, Which of the following assist i...

Which of the following assist in the digestion of fats? A. Production of bile salts in the liver and the secretion of those bile salts into the small intestine. B. Emulsific

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