1. Lymph is called the middleman between tissues cells and blood.

    Lymph is called the middleman between tissues cells and blood.

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  2. Medullary (myelin)- Sheath is the covering of nerve fibres. It insulates the nerve fibre (axon) and prevents leakage of ions.

    Medullary (myelin)- Sheath is the covering of nerve fibres. It insulates the nerve fibre (axon) and prevents leakage of ions.

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  3. Microvilli have the foilowing main functions: (a) They increase the absorptive surface of the intestinal cell (enterocyte) and (b) They increase the surface area available for reactions.

    Microvilli have the foilowing main functions: (a) They increase the absorptive surface of the intestinal cell (enterocyte) and (b) They increase the surface area available for reactions.

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  4. Collagen protein is found in white fibres whereas elastin protein is found in yellow fibres.

    Collagen protein is found in white fibres whereas elastin protein is found in yellow
    fibres.

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  5. The junction between the terminal part of one axon and the dendrite of the adjacent neuron is called a synapse. Synapses helps in the transmission of impulses from one neuron to another.

    The junction between the terminal part of one axon and the dendrite of the adjacent neuron is called a synapse. Synapses helps in the transmission of impulses from one neuron to another.

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