Venous

... biology and sports studies at as level but the two subjects are clashing my sports textbook says that veins VENOconstrict and VENOdilate to aid venous return but in biology we are told that only arteries vasoconstrict so i asked my biology teacher and she said she had never heard of venoconstriction/dilation ...

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Large amounts of H+ are released into the blood as HCO3 – is excreted into pancreatic juice. Explain why pH of abdominal venous blood is not acidic? Thanks

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... that believe that it is a remnant of the ductus arteriosus, but animals like opossums never have an ductus arteriosus and have the same setup for venous return...

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... having difficulty with osmotic pressure and hydrostatic pressure. I was doing this question: The osmotic concentration of plasma proteins in the venous side of capillaries helps reduce the amount of interstitial fluid in tissues by inducing: Answer: Passive water diffusion along a concentration ...

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... the air, whilst hemoglobin, being intracellular, doesn't react instantly unlike someone wrote in a reply in this thread, where they claimed that venous blood is blue and that it turns red because it contacts the air :)

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