HA8210
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what's the difference between double and single circulatory systems



(b) name five risk factor for atherosclerosis and explain your reasoning( 10 marks)
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procrastinatingb
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not sure about b but in a single circulatory system the blood only goes through the heart once, whereas in a double circulatory system the blood goes through the heart twice (once from the lungs and once from the body). also, in a single system there are two capillary networks but in a single it only goes through one.
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HA8210
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(Original post by procrastinatingb)
not sure about b but in a single circulatory system the blood only goes through the heart once, whereas in a double circulatory system the blood goes through the heart twice (once from the lungs and once from the body). also, in a single system there are two capillary networks but in a single it only goes through one
thanks for the help I really appreciate it
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