<ul><li>Red blood cells carry oxygen and white blood cells contribute to the roles of blood in transportation.</li><li>Some skin cells act as physical barriers against pathogens and also function as receptors for temperature, touch, and pain.</li><li>The cells of bone deposit calcium, making bone tough and contributing to its supporting function.</li><li>Enzymes are specific for their substrates and can be regulated by the cell based on needs, with production and activity controlled by inhibitors and activators.</li></ul>

Andividual cells contribute in the functioning of the wholl following examples of the cells of…

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