Gills - respiration, Biology

Assignment Help:

Gills -Respiration

Gills are highly vascularised extensions of gas exchange membranes. The simple type may be extension of the body surface as in sea-slugs, sea stars and many of slow moving aquatic animals. The complexity of the gills reflects the animal's requirement for oxygen. Animals with greater need or oxygen have elaborate gill structure. Before we discuss the structure of the gill let us consider the ways in which gills are ventilated because the environment in contact with respiratory surface must be continuously renewed to avoid depletion of oxygen or excessive accumulation of carbon dioxide.

 


Related Discussions:- Gills - respiration

Explain three parts of homogenate, Differential centrifugation divides cell...

Differential centrifugation divides cellular components based on the differences in their size and / or density. A tissue sample was homogenized and three parts (aliquots) of this

Monkeey Opsin Evolution, Why does having three color receptors (a.k.a. opsi...

Why does having three color receptors (a.k.a. opsins) lead to a more complex color perception than just two?

Define objective of taxonomy -assemblage of knowledge gained, Define Object...

Define Objective of Taxonomy - Assemblage of Knowledge Gained? A second objective of taxonomy is the assemblage of knowledge gained. This is usually in the form of treatises us

Provide a brief overview/sketch of the biological pa, Long ago, there lived...

Long ago, there lived an Australopithecus girl by the name of Lucy. She died 3.2 million years ago. There are a few molecules of Lucy’s carbon in YOU! Starting from the gaseous C

Implementation of the plan in diabetes mellitus, Q. Implementation of the P...

Q. Implementation of the Plan in diabetes mellitus? You have helped the client to find out an alternative solution and to develop a plan to solve the problem. Now, it has to be

Explain the autonomic neuropathy, Explain the Autonomic neuropathy It l...

Explain the Autonomic neuropathy It leads to dry skin due to decreased sweating. Dryness of the skin leads to cracking which makes entry of infection in to the deeper plane eas

Clonning, write a note on clonning

write a note on clonning

Explain about the freezing - method of food preservation, Explain about the...

Explain about the Freezing - method of food preservation? Freezing (-18°C to - 40°C): In freezing, water in food turns into ice and makes unavailable for reactions to occur, an

What is the morphological feature of molluscs, Q What is the morphological ...

Q What is the morphological feature of molluscs after which the phylum is named? The word "mollusc" imply "soft thing". Molluscs have soft bodies and this feature describes the

Hollow restorations for re-lining, A hollow restoration may be fabricated b...

A hollow restoration may be fabricated based on the original form determined by the diagnostic preview. This restoration can be re-lined on completion of the surgical phase of impl

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