Countercurrent flow, Biology

Assignment Help:

Countercurrent flow is the arrangement by which fish get oxygen from the water which flows by the help of their gills. The water flows across the respiratory surface of the gill in one direction while the blood flows in the other direction through the blood vessels on the other side of surface.


Related Discussions:- Countercurrent flow

Define the xtensor motor neurons, Which of the following occur in response ...

Which of the following occur in response to an increase in the length of the right knee extensors in response to a quick tap applied to the right patellar tendon?  An increase in t

How buffer solution can be prepared, How Buffer Solution Can Be Prepared? ...

How Buffer Solution Can Be Prepared? A buffer solution can be prepared to have a desired value of pH by controlling the amount of acid and its salt in case of acidic buffer and

Relate the oxide layer and biocompatibility of titanium, Relate the oxide l...

Relate the oxide layer and biocompatibility of titanium. The compatibility of a metal with its host environment depends on its resistance to biodegradation and on the degree of

Carrier ions like na+ facilitate the absorption of substance, Carrier ions ...

Carrier ions like Na+ facilitate the absorption of substances like: 1. amino acids and glucose 2. glucose and fatty acids 3. fatty acids and glycerol 4. fructose and so

What is natural selection, What is natural selection? Natural selection...

What is natural selection? Natural selection is the method by which organisms that have certain favorable traits are better capable to survive and make successfully than organi

How light reaction effects cell metabolism, How light reaction effects Cell...

How light reaction effects Cell Metabolism ? Light reactions :  The light reactions are carried out by two separate assemblies of several hundred chlorophyll molecules, acces

Deficiency diseases-iodine deficiency, Iodine  deficiency Iodine is an...

Iodine  deficiency Iodine is an important component of thyroid hormones, which play active role in several physiological process such as control of basal metabolic rate, oxidat

Define transport and storage of iron, Define Transport and Storage of Iron?...

Define Transport and Storage of Iron? You have seen that transferrin binds both newly absorbed iron and iron released after degradation of haemoglobin. Transferrin is a glycopr

Diffusion of gases, Diffusion of Gases Gases diffuse from areas of hi...

Diffusion of Gases Gases diffuse from areas of higher partial pressure to areas of lower partial pressure. The diffusion along the partial pressure gradient ceases only when

How big of container would need to hold, Assume you were given a mixture co...

Assume you were given a mixture consisting of one molecule each of all possible sequences of a smallish protein of molecular weight 4800 daltons. If the average molecular weight of

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