0.1 The diagram shows a plan of part of the circulation. Lungs A B Heart Х DD Body orgads С (a) Name the blood vessels labeled: (i) A: (ii) B: (b)From the diagram given above, identify the letter for the blood vessels which carry oxygenated blood: (c)Identify the chamber of the heart labeled X:
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Answer:
Did you mean: The diagram shows a plan of part of the circulation. Lungs A B Heart Х AND Body organs) Name the blood vessels labeled: (i) A: (ii) B: (b)From the diagram given above, identify the letter for the blood vessels which carry oxygenated blood: (c)Identify the chamber of the heart labeled X:
Explanation:
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Answer:(i) A: Artery; B: Vein; Arteries are the thick-walled blood vessels with narrow lumen while veins have thin walls and wide lumen.
(ii) 1: Endothelium; 2: Lumen
(iii) Contraction of ventricles and closure of atrioventricular valves produces "LUB" sound while relaxation of ventricles and closure of semilunar valves produces the second heart sound, “DUP".
(iv) 1: Hepatic portal Vein
2: Coronary artery
Explanation: