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Class 10th Science | Human heart ( मानव ह्रदय )| Life Processes | NCERT | CBSE | HBSE | THE MASTER
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human heart class 10th
10th class life processes
life processes human heart class 10th
human heart karykarta hai
working and functioning of human heart
structure and working of human heart
veins kya hoti hai
arteries kya hoti hai
pulmonary veins
pulmonary arteries