conclusion for observation of internal structure of mammalian heart
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Explanation:The heart is divided into four parts by grooves. muscular partitions called septa. The openings between atria and ventricles are guarded by valves. After careful examination we can observe valves in the pulmonary artery and aorta as well.
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Explanation:
The heart is divided into four parts by grooves. muscular partitions called septa. The openings between atria and ventricles are guarded by valves. After careful examination we can observe valves in the pulmonary artery and aorta as well.
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