Biology
Name the following :
(a) Three kinds of blood vessels
(b) Two types of blood circulation in the human body
(c) The membranous structure which divides the heart into a right and a left portion
(d) The structure responsible for starting electrical impulses that cause the heart to contract and relax in order to keep pumping blood
(e) The scientist who identified different types of blood groups
Circulatory System
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Answer
(a) Arteries, Veins, Capillaries.
(b) Pulmonary circulation, Systemic circulation
(c) Septum
(d) SA node (sinoatrial node)
(e) Karl Landsteiner
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