In systole, you should expect that your mitral valve and tricuspid valve to be closed (snap shut) and you should expect your pulmonary valve and aortic valve to open. Hope this helps
Answer
It is emergency services which treat illnesses and injuries that require an urgent medical response, providing out-of-hospital treatment and transport to definitive care.
Explanation:
Women of average risk for breast cancer should start going at 50 and follow up every 2 years .
Bacteria,viruses,fungi,and protozoa
Bacteria can be helpful