ahsan_ijaz
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Why would the volume of blood be more viscous in the capillary ?

literally searched the whole unit 2 for an anewer ? It's a general question I guess with a generic answer
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Doctor_Einstein
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(Original post by ahsan_ijaz)
Why would the volume of blood leaving the capillary network into the veins be less than the volume of blood entering the veins?

literally searched the whole unit 2 for an anewer ? It's a general question I guess with a generic answer
I'm sure I can help you if only I understood what you are asking, as your question is riddled with errors. For starters capillaries receive blood ultimately from arteries, while veins + lymphatics return blood. Thus you would expect a greater volume of blood to be delivered through the arteries than returned through the veins.
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Doctor_Einstein
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(Original post by ahsan_ijaz)
If the blood flow in arterioles in arteriole is greater than the blood flow in capillary , why wouldn't blood accumulate in arteriole??
The velocity of blood in capillaries is slower, because the total cross-sectional area of all capillaries is greater than of all arteries, thus the total flow of volume is the same in both arteries and capillaries.
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Doctor_Einstein
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(Original post by ahsan_ijaz)
But why would the blood accumulate? Thanks a lot for answering though
Wouldn't this lead to a same overall diameter
And could a potential
Answer be that arteriole provide a lot of capillaries with blood ? I got this answer
Of another forum

Looks wrong to me
But suppose the flow is 4L/minute. Then this will be the case for both arteries, arterioles and capillaries.

But since the total cross-sectional area of arteries is less than that of capillaries, the velocity measured in meters/second is going to be greater in the arteries than in the capillaries, to ensure total flow of volume is constant.
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thegodofgod
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(Original post by ahsan_ijaz)
A bit of error at the end of that question - I meant the volume of blood entering from the *arteries
Have you covered hydrostatic and osmotic pressure?
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ahsan_ijaz
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Hi, dont worry i understand what mr.einstein is referring to their - thanks a lot

in any question which asks you to evaluate using two different sources - or two different activities for example

what must you do to get the marks?

anyone who does a level biology is more than welcome to answer - or anyone i dont mind as long as the answers are sensible

thanks
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