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

Explain diffusion and osmosis in cell structure, Explain Diffusion and Osmo...

Explain Diffusion and Osmosis in cell structure? Diffusion and Osmosis :  Diffusion through a cell membrane occurs as it does elsewhere, from an area of high concentration of

Blood be enhanced during vigorous activity, The percentage of oxygen absorb...

The percentage of oxygen absorbed from the air in the lungs is always about the similar, so how can the oxygen supply to the blood be enhanced during vigorous activity? Breathi

Explain destruction of large areas of tropical rain forest, How might the d...

How might the destruction of large areas of tropical rain forest have world-wide consequences? As plants consume CO 2 during photosynthesis, extensive deforestation could resu

Explain asystole and pulseless electrical activity, Explain Asystole and Pu...

Explain Asystole and Pulseless Electrical Activity (PEA) The outcomes from these rhythms are generally much worse than for VT/VF, unless a readily correctable cause is identif

Describe the structure of lipoprotein, There are several different lipoprot...

There are several different lipoprotein species found in plasma but their basic structures are similar. The insoluble lipid (cholesterol ester and triglyceride) forms a central cor

Illustrate the name of surgical needle, Illustrate the name of surgical ne...

Illustrate the name of surgical needle The surgical needle is comprised of 3 parts: the needle point, the needle body, and the swaged (press-fit) end. Needle may be broadl

State long-term benefits of exercise, State four long-term benefits of exer...

State four long-term benefits of exercise. The long-term advantages of exercise are: a) Enhance in size of the muscles used, b) Decrease of heart rate and c)  Enhance

Sea, sea divisions

sea divisions

What is an argument that shows emergence of photosynthetic, What is an argu...

What is an argument that shows that the emergence of photosynthetic beings was crucial for life to reach the marine surface and later the dry land? The Ultraviolet radiation fr

Dissection, a 6th grade student friendly definition?

a 6th grade student friendly definition?

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