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

Respiratory systerm, Which two structures does the trachea lead to in the l...

Which two structures does the trachea lead to in the lungs?

Dictyosomes, Dictyosomes  are produced on the Organelles in the plant cells...

Dictyosomes  are produced on the Organelles in the plant cells composed of the series of flattened membrane sacs which sort, chemically modify, and package protein srough endoplasm

What are changes in st-segment, Q. What are changes in ST-Segment? Nor...

Q. What are changes in ST-Segment? Normal Exercise Electrocardiogram ST and J Point As the heart rate increases with exercise, a number of predictable changes occur in a

How is striped pattern of the striated muscle cells formed, How is the stri...

How is the striped pattern of the striated muscle cells formed? The functional units of the muscle fibers are the sarcomeres. Within the sarcomeres blocks of myosin and actin

How does the swim bladder of fishes work, Q. How does the swim bladder of f...

Q. How does the swim bladder of fishes work allowing fishes to control their depth under water? From Hydrostatics it is known that an object does not sink if its density is les

How yersinia enterolytica infection occurs, Normal 0 false fa...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4 How Yersinia enterol

Auxins - apical dominance, Auxins - Apical Dominance The role of auxin...

Auxins - Apical Dominance The role of auxins in controlling the apical dominance was shown by the experiments done by Skoog and Thimann with the broad bean plant. They removed

Tissue culture, Tissue culture The ability of a plant cell to give r...

Tissue culture The ability of a plant cell to give rise to a whole plant is called totipotency. The culture of a cell or a tissue in a suitable medium to produce new plan

Oxidation of glyceraldehyde-3-phosphate, Oxidation of glyceraldehyde-3-phos...

Oxidation of glyceraldehyde-3-phosphate Oxidation of glyceraldehyde-3-phosphate : The  conversion  of glceraldehyde- 3-phosphate to  1,3-bisphosphoglycerate  is catalysed  by

Why the vitamin niacin is a necessary component of nad, The vitamin niacin ...

The vitamin niacin is a necessary component of NAD. Niacin can be consumed in food or manufactured in the body from tryptophan, an amino acid. How would a person's ability to break

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