Their function<span> is to carry electrical signals to and from the </span>body<span> and the brain. Size as well as shape plays a crucial </span>role<span> in </span>cell function<span>. A </span>cell<span> must be big enough to contain all the essentials, which include DNA strands, protein, and survival and reproductive </span>structures<span>. ... Larger </span>cells<span> have a larger surface area.</span>
<span>The shape of a cell dictates the function of that cell. This is more pertinent to animal cells that, unlike plant cells, do not have a rigid cell wall. A misshapen cell cannot properly perform its intended function. </span>
