If you have had sex you should get checked. but some peoples periods arent regular all the time
I believe the answer is C - A company opens a new factory and employs more workers.
The breathing process is controlled by the central nervous and respiratory systems. Hope I helped ^-^
The nose hair helps remove particles in your nose and t<span>he respiratory tract cleans, warms, and </span>moistens air<span> on its way to the lungs which then leads to the nose that's how your nose enables warm moisten air.
Hope this helps :)</span>
