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A) Given below is the internal structure of human heart, Study the diagram and answer the following questions :I)Label the parts 1-6ii)Which of the vessels labeled on the diagram carry oxygenated bloodiii)State the functions of structures labeled 1 and 6iv)Name the blood vessel which supplies oxygenated blood to the muscles of the heartv)Define ventricular systole. |
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Answer» ong>Answer: The RIGHT and left sides of the heart work together Blood enters the heart through two large veins, the inferior and superior vena cava, EMPTYING oxygen-poor blood from the body into the right atrium. The PULMONARY vein EMPTIES oxygen-rich blood, from the lungs into the left atrium. |
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