Use a plastic sealable bag containing 15 ml (1 tablespoon) of water plus one drop of food coloring as a model for the parietal layer of a serous membrane, the visceral layer of a serous membrane, and a serous fluid-filled cavity.

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Describe the consequences of a lack of the blood–testis barrier. Please, it is appreciated the answer on your own words, no copy or paste, thank you.

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