1. It is advantageous for bones to be strong and non-flexible because their rigidity provides structural support, protects vital organs, and enables effective muscle attachment. This strength ensures stability and durability, essential for movement and weight-bearing activities.

    It is advantageous for bones to be strong and non-flexible because their rigidity provides structural support, protects vital organs, and enables effective muscle attachment. This strength ensures stability and durability, essential for movement and weight-bearing activities.

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  2. Anything entering or leaving the body must cross at least one layer of epithelium because epithelial tissue forms a protective barrier that lines all body surfaces and cavities. This barrier regulates the exchange of substances, ensuring that essential nutrients are absorbed while harmful substancesRead more

    Anything entering or leaving the body must cross at least one layer of epithelium because epithelial tissue forms a protective barrier that lines all body surfaces and cavities. This barrier regulates the exchange of substances, ensuring that essential nutrients are absorbed while harmful substances are kept out.

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  3. The cells in epithelial tissue are tightly packed in continuous sheets, forming a protective barrier. They are closely bound by specialized junctions, creating a cohesive layer that covers body surfaces, lines cavities, and forms glands.

    The cells in epithelial tissue are tightly packed in continuous sheets, forming a protective barrier. They are closely bound by specialized junctions, creating a cohesive layer that covers body surfaces, lines cavities, and forms glands.

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  4. Epithelial tissues can be found covering the body's surface, lining internal cavities and organs, and forming glands. They are present in the skin, respiratory and digestive tracts, blood vessels, and various ducts throughout the body.

    Epithelial tissues can be found covering the body’s surface, lining internal cavities and organs, and forming glands. They are present in the skin, respiratory and digestive tracts, blood vessels, and various ducts throughout the body.

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