Changes

'''Blood vessels''' are tubes going around the body that [[blood ]] flows through.

: '''Blood vessels ''' take [[blood ]] to every part of the body.: There are 3 types of '''blood vessel''': ==Key Stage 3=====Meaning==='''Blood vessels''' are tubes going around the body that [[blood]] flows through. ===About Blood Vessels===: '''Blood vessels''' take [[blood]] to every part of the body.

*[[Artery|Arteries]]; which are take [[blood]] away from the [[heart]].

: If the [[blood ]] is dark red and bleeds slowly then it comes from a [[vein]]. You should ask for help from an adult straight away.: If the [[blood ]] is bright red and squirts out with each heartbeat then it comes from an [[artery]]. You should call 999 straight away.: If the [[blood ]] is in specks then it comes from [[capillaries]]. You should wash it and put a plaster on. ==Key Stage 4=====Meaning==='''Blood vessels''' are tubes that transport [[blood]] around the body. ===About Blood Vessels===: '''Blood vessels''' take [[blood]] to every part of the body.: There are 3 types of '''blood vessel''':*[[artery|Arteries]] - [[Blood Vessel]]s which transport high pressure [[blood]] away from the [[heart]].*[[Vein]]s - [[Blood Vessel]]s which transport low pressure [[blood]] towards the [[heart]].*[[capillary|Capillaries]] - Extremely small [[Blood Vessel]]s that spread through the [[organ]]s to deliver the [[blood]]. ===References=======AQA====:[https://www.amazon.co.uk/gp/product/1471851338/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851338&linkCode=as2&tag=nrjc-21&linkId=425855d5890466e47189e1c21b67a1ea ''Blood vessels, pages 51, 53-4, GCSE Biology, Hodder, AQA '']:[https://www.amazon.co.uk/gp/product/1471851354/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1471851354&linkCode=as2&tag=nrjc-21&linkId=9012a0d354024419214fb3ad5ac44ba0 ''Blood vessels, pages 51, 53-4, GCSE Combined Science Trilogy 1, Hodder, AQA '']:[https://www.amazon.co.uk/gp/product/0198359373/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=0198359373&linkCode=as2&tag=nrjc-21&linkId=952a73bbb09d222ecc4b50d200679849 ''Blood vessels, pages 54-55, GCSE Biology; Third Edition, Oxford University Press, AQA '']:[https://www.amazon.co.uk/gp/product/1782946381/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946381&linkCode=as2&tag=nrjc-21&linkId=5ec5fc3f6429e30c1d9ab9bca2bccf93 ''Blood vessels, pages 77, 78, GCSE Combined Science Trilogy; Biology, CGP, AQA '']:[https://www.amazon.co.uk/gp/product/1782945954/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945954&linkCode=as2&tag=nrjc-21&linkId=100574c08fbbb64318256eb79ed61a76 ''Blood vessels, pages 83, 84, GCSE Biology, CGP, AQA ''] ====Edexcel====:[https://www.amazon.co.uk/gp/product/1782945741/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945741&linkCode=as2&tag=nrjc-21&linkId=30da4f2178da182547b62a7329d13b57 ''Blood; vessels, page 62, GCSE Combined Science; The Revision Guide, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782946748/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782946748&linkCode=as2&tag=nrjc-21&linkId=a4f0348fc37d0ba1bb52d27f8679581f ''Blood; vessels, page 90, GCSE Biology; The Revision Guide, CGP, Edexcel '']:[https://www.amazon.co.uk/gp/product/1782948120/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782948120&linkCode=as2&tag=nrjc-21&linkId=dedef775c6a43dbb0a609441525adac0 ''Blood; vessels, pages 264, 265, GCSE Biology, CGP, Edexcel ''] ====OCR====:[https://www.amazon.co.uk/gp/product/1782945695/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945695&linkCode=as2&tag=nrjc-21&linkId=ceafcc80bcad6b6754ee97a0c7ceea53 ''Blood vessels, pages 30, 78, Gateway GCSE Combined Science; The Revision Guide, CGP, OCR '']:[https://www.amazon.co.uk/gp/product/1782945660/ref=as_li_tl?ie=UTF8&camp=1634&creative=6738&creativeASIN=1782945660&linkCode=as2&tag=nrjc-21&linkId=83aa4500ad7759e7f401a1c5ba5df758 ''Blood vessels, pages 37, 38, 104, Gateway GCSE Biology; The Revision Guide, CGP, OCR '']