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a) White blood cells can change their shape as their function is to kill or fight against disease causing microbes that may have entered their body .This also helps them to squeeze through vessels easily.
b)i)lysosomes
ii)endoplasmic reticulum
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a) Each cell type has evolved a shape that is best related to its function.
For eg. the Neuron has long,thin extensions (axons and dendrites) that reach out to other nerve cells. The extension help the Neuron to pass chemical and electrical messages quickly through the body.
b. i) Lysosomes
ii) Endoplasmic Reticulum
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