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

Why energy requirement are different in different situations, Why do you th...

Why do you think the energy requirements are different in situations? Well the requirement is dependent on the ways in which the body spends energy. For example in the first c

Why all specialization occurred during this time period, There is a lot of ...

There is a lot of dataset and hypothese that attempt to explain why there was a Cambrian Explosion. Using all supporting ideas, explain and write a paragraph on why all this specia

How is the nervous system of molluscs organized, Q. How is the nervous syst...

Q. How is the nervous system of molluscs organized? Molluscs have well-developed sensory structures. It is accepted that cephalopods, like squid and octopus, have eyes with ima

Explain reality theory, Reality Theory Developed in  the 1960s by  Will...

Reality Theory Developed in  the 1960s by  Willian glasser,  a  psychiatrist,  reality  therapists  view human nature in terms of behaviour. They believe that human behaviour i

Ventilation of tracheal system – passive suction ventilation, Ventilation o...

Ventilation of Tracheal System – Passive Suction Ventilation Many active insects and insects that live in environments where water is scarce cannot depend on diffusion alone t

Diagnostic clues - peripheral vascular disorders, Diagnostic Clues 1)...

Diagnostic Clues 1) When pallor, decrease in temperature, and numbness are the only complaints, viability of the limb usually not threatened. A condition of pain, pallor,

Explain about the shade drying, Explain about the Shade Drying? Shade d...

Explain about the Shade Drying? Shade drying is carried out for products which can lose their colour and/or turn brown if put in direct sunlight. Products that have naturally v

Explain fixed-dose combination of tuberculosis, Fixed-Dose Combinations  ...

Fixed-Dose Combinations  A combination formulation of rifampin, isoniazid and pyrazinamide (Rifater) is approved by the FDA for the initial 2 months of daily anti-tuberculosis

Explain itraconazole, Explain Itraconazole It has a broader spectrum of...

Explain Itraconazole It has a broader spectrum of activity than fluconazole. It is active against a wide variety of fungi including Cryptococcus neoformans, Aspergillus spp., B

Gel electrophoresis, If child has same gel positioning as father, would it ...

If child has same gel positioning as father, would it be likely for the child to get cancer if the father has it? For the children without the mutation, what is the risk of getting

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