THE TRANSPORT SYSTEM IN HUMAN BEING
BY ROZAKI BIN PAIJAN MRSM MUAR
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Internal transport system is called the circulatory system 4 basic characteristics Circulating fluid => blood Pumping device => heart Blood vessels => arteries, veins and capillaries Valves => bicuspid, tricuspid, semilunar, etc
Double Circulatory System
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Blood must flow through the heart twice in complete circuit of body. Double circulatory system consists of: Pulmonary circulation – transport of blood between heart and lung Systemic circulation – transport of blood between heart and all part of body Advantage : increase pressure blood and rate of flow
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Structure of human heart
Function of the human heart
Right Side Pumps Left Side Pumps
deoxygenated blood from body cell to lungs
oxygenated blood from lung to the rest of the body
Difference of artery, vein and capillary
The path of blood flow
Exchange of materials in capillaries
The role of the blood circulatory system in the transport of substances