How are inhalation and expiration carried out, Biology

Assignment Help:

Q. How are inhalation and expiration carried out?

The diaphragm exclusive of mammals and the intercostals muscles can contract or relax varying the volume of the thorax the compartment where the lungs are located, the changing of the thorax volume forces inhalation or expiration.

When the thorax volume is increased an internal pressure lower than the atmospheric pressure external is created and gases naturally enter into the lungs when the thorax volume is lowered the internal pressure rises above the external pressure and the air is expelled from the lungs.


Related Discussions:- How are inhalation and expiration carried out

Describe explicit and semantic memory, Q. Describe Explicit and Semantic Me...

Q. Describe Explicit and Semantic Memory? Explicit memory: This is the conscious recollection of information such as specific facts or events and at least in humans that can be

Explain the dietary fibre and colon cancer, Explain the Dietary fibre and c...

Explain the Dietary fibre and colon cancer? The relationship between colorectal cancer and dietary fibre remains complex. Although a cause-and-effect relationship between fibre

What is the significance of elastic capsule chromatophore, What is the sign...

What is the significance of Elastic capsule chromatophore? Specialized pigmented cells on surface of the cephalopods that, by changing their shape, expose differing amounts of

Biology, how can i get an demo assignment to solve?

how can i get an demo assignment to solve?

What are seed gums, What are seed gums? What are its characteristic propert...

What are seed gums? What are its characteristic properties? Seed gums are a group of polysaccharides with the following properties: light to dark cream colored amorphou

Explain natural classification, Natural Classification Natural classifi...

Natural Classification Natural classification is based on the natural characters of the taxa. Some consider natural classification a phylogenetic one reflecting the evolutionar

Meaning of counselling in diabetes mellitus, Q. Meaning of Counselling in d...

Q. Meaning of Counselling in diabetes mellitus? The word counselling is a very broad term which is used for helping others to overcome their particular difficulty. It has been

What are the functional properties of gums, What are the functional propert...

What are the functional properties of gums that are considered to be important in food industries? The functional properties of gums that  are considered to be important in foo

Symbiotic interaction - biological stress, Symbiotic interaction - Biologic...

Symbiotic interaction - Biological Stress Presence of symbiotic microorganism can result in differential growth stimulation of those plants which can recognise the beneficial

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