Samacheer Kalvi · 11th TN - English Medium · Bio Zoology · Page 131question

7.5. Double Circulation

Chapter 9: Chapter 7 · Bio Zoology · EN medium

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Circulation of the blood was first ­described by William Harvey ( ). There are two types of blood ­circulation in vertebrates, single circulation and double circulation which is shown in Figure . (a and b) and . . Figure . Diagrammatic representation of (a) single circulation (b) double circulation *LOOFDSLOODULHV +HDUW $OORWKHU FDSLOODULHV D E /XQJFDSLOODULHV +HDUW $OORWKHU FDSLOODULHV Arterioles Pulmonary artery Lung capillaries Pulmonary circulation Heart Venae cavae Veins and venules

📖 Namma Kalvi 11th Bio Zoology Textbook English Medium · Page 131

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Circulation of the blood was first ­described by William Harvey ( ). There are two types of blood ­circulation in vertebrates, single circulation and double circulation which is shown in Figure . (a and b) and . .

Figure . Diagrammatic representation of (a) single circulation (b) double circulation *LOOFDSLOODULHV +HDUW OORWKHU FDSLOODULHV Arterioles Pulmonary artery Lung capillaries Pulmonary circulation Heart Venae cavae Veins and venules

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