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BIO BLOOD

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Biology form 5
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  MEMBERS: ã JIA WEN{Leader)   ã RUBEN   ã SYAFIKA   ã ZUHAIR    ã KEERTANA   THE CIRCUL TORY SYSTEM IN HUM NS ND OTHER N M LS…   7/24/2014 C   OPYRIGHT RESERVED@2014{Ruben} 1  The Circulatory System In Humans, Fish and Amphibians 7/24/2014 COPYRIGHT RESERVED@2014{Ruben} 2  The circulatory system of these organisms can be divided into two that is : *open circulatory system *closed circulatory system 7/24/2014 COPYRIGHT RESERVED@2014{Ruben} 3   -When the heart relaxs , haemolymph drawn back into the hearts through pores called ostia .  -Closed circulatory system present in all vertebrates include humans and molluscs .  -Blood is confined in vessels .  One heart are pump blood into major vessels that branch into smaller vessels in organs . Chemical exchange occurs between blood and interstitial fluid and between the interstitial fluid and body cell . 7/24/2014 COPYRIGHT RESERVED@2014{Ruben} 4
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