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Transportation in Human Beings:, , oe, , ** Circulation » The process of transporting the absorbed food, water and waste, products from one place to another in body is called circulation., , There are two types of circulatory system is found in the animals |. Open Circulatory System: In this types of circulatory system, the main, blood vessels arising from heart and pour the blood into tissue spaces, (sinuses). e.g. Arthropoda (Cockroach). Echinodermata., , ll. Closed Circulatory System : In this types of circulatory system the blood, remains only in the blood vessels and carried to various organ through, vessels and capillaries. e.g. human beings, Annelida (Earthworm).

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Transportation in Human Beings:, , , , Heart Heart, , , , open circulatory systems closed circulatory systems

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Transportation in Human Beings:, “In human beings, the circulatory (transport) system is divided into two system :, |. Blood Circulatory System, a. Blood, b. Blood vessels, , blood flow to head and arms, , , , , superior, , c. Heart vena cava’, , pulmonary, arteries, , Il. Lymphatic System, a. Lymph, b. Lymph vessels, , inferior /, vena cava, , blood flow to digestive system, and lower limbs:

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Blood Circulatory System:, % = Blood > Blood is ay important fluid conducting tissue, which, transport the materials to different body parts., , Composition of Blood:, , Liquid part - (Matrix) - Blood plasma, , Solid part - Blood corpuscles — (RBC, WBC and, Platelets), , Plasma (55%), , White blood cells, and platelets (<1%), , Red blood cells (45%)

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Plasma:, , “It comprises 55 % of blood., , “= The plasma has 90-92 % water and, remaining 8 %-10% are other materials., , “+ Plasma contains some soluble proteins,, inorganic salts, food materials, waste, products, dissolved gases., , “+ = The plasma is a faint yellow viscous fluid., , , <>, Serum, io : ae, Vs < WB8Cs & platelets, , $= Plasma t, , Serum = Plasma — Clotting Factors