[vc_row][vc_column][vc_column_text] Science Human Body A cell is the smallest part or unit of the body. The human body is made up of millions of cells. Millions of cells together make a tissue, many different tissues together form an organ, and certain organs together form a particular organ system. The human
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Category: Science UPSC
CIRCULATORY SYSTEM IN HUMAN BODY All animals and plants have specialized Systems for the exchange of food, gas, and emissions. especially in animals, these systems are more developed. William Harvey was first discovered in The circulatory system. The Blood circulatory system exists in almost all animals in the world. In some animals, there is variation
February 24, 2022
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