help with my biology pleeeeeeeeeez!!!!!!!!!!

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Report 17 years ago
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does anyone know how glucose makes its way into the blood and also how blood gets rid of waste products???????????????????????? ???????

please help and writ bak ASAP!!!!!!!!!!!!!!!!!!!!!!!
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angel_noiruk
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Report 17 years ago
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does anyone know how glucose makes its way into the blood and also how blood gets rid of waste products
(I think this is what goes on!)

The blood is absopbed into the blood in the kidneys. In the Nephron by selective reabsorption in the first convuluted tubule and into the 1st C.T cells and then into the blood by diffusion!

Blood gets rid of waste the same way via the kidneys, ultrafiltration occurs in the glomerulus and hydrostatic pressure and the basement membrane enable the blood to filter out btoh usefull and unusefull substances into the lumen of the renal capsule .Then the needed substances are reabsorbed in the 1st convoluted tubule by selective reabsorption. The waste is added to urine in bladder and disposed of as urine. Urea is made in the liver by the ornothine cycle.

I think that explanation was a bit sketchy so try going to these websites
1.http://www.mrothery.co.uk/
2. http://www.s-cool.co.uk
3.http://www.examstutor.com/
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