A 2-kg block displaces 10 kg of water when it is held fully immersed.The object is then tied down as shown in the figure;and it displaces 5 kg of water.What is the tension in the string? 
Definitions:
Sertoli Cells
Supporting cells of the tubules of the testis.
Blood-Testis Barrier
A physical barrier formed by Sertoli cells in the walls of seminiferous tubules in the testes, crucial for protecting germ cells from harmful substances and autoimmune attacks.
Phagocytize
The process by which a cell, usually a type of white blood cell, engulfs and digests foreign particles or microorganisms.
Prostaglandins
Lipid compounds that have diverse hormone-like effects in animals, including inflammation mediation and smooth muscle contraction.
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