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 biomechanics of cantilevers, Explain the biomechanics of cantil...

Explain the biomechanics of cantilevers The biomechanics of cantilevers need to be understood. It has been found that when a three unit prosthesis is supported by two implants

Internal budget - nutrient budgets, Internal budget - Nutrient Budgets ...

Internal budget - Nutrient Budgets This is concerned with the circulation of nutrients through various biotic and abiotic compartments of a given ecosystem. In other words the

What are the main events of the third mitotic period, What are the main eve...

What are the main events of the third mitotic period? The third mitotic period is anaphase. In anaphase the following events happen: duplication and breaking of centromeres wi

How many are the known amino acids, How many are the known amino acids that...

How many are the known amino acids that form proteins in living beings? There are twenty dissimilar known amino acids that form proteins related to the genetic code of the livi

Causes of cancer, Causes of Cancer We know earlier that a malignant tu...

Causes of Cancer We know earlier that a malignant tumor is a large aggregation of cancer cells, all of them descended from a single founder cell that was once a normal cell wi

What is the significance of torsion, What is the significance of torsion? ...

What is the significance of torsion? An unusual twisting of the gastropod body which has left all members of class with an asymmetric body plan and a U-shaped alimentary tract,

Define tips for elders with chewing difficulty, Define Tips for elders with...

Define Tips for elders with chewing difficulty? Elders, without teeth cannot chew their foods, hence they start taking only liquid or semi-solid food. Thus, the quantity of nut

Mitochondria be considered the power plants of the cell, Q. Why can mitocho...

Q. Why can mitochondria be considered the power plants of the aerobic cells? Mitochondria are the "power plants" of aerobic cells because within them the final stages of the ce

Coniferous forest - ecosystem, Coniferous forest - Ecosystem Cold regi...

Coniferous forest - Ecosystem Cold regions with high rainfall and strongly seasonal climates with long winters and fairly short summers are characterised by boreal coniferous

What are the indications of implant removal, What are the indications of im...

What are the indications of implant removal? Failed implants need to be removed and the specific indications include: - Severe Perimplant bone loss (> 50 per cent implant le

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