A pap test is a screening test that can detect pre-cancerous and cancerous cells and processes in an important part of the female reproductive system, the cervix. It is at the secondary level of preventative care, because it screens asymptomatic individuals to detect as soon as possible a serious disease.
<span>The element Carbon is the </span>building block for all<span> known living things. That is why, in some science-fiction movies you hear the term, Carbon-based units.</span>
