A. Platelets are the tiny blood cells that help stop bleeding by binding together to form a clump or plug at sites of injury inside blood vessels. A normal platelet count is between 150,000 and 450,000 platelets per microliter (one-millionth of a liter, abbreviated mcL).
Australia's government is a federal parliamentary democracy,  with the head of government given the title of Prime Minister.   Australia has a constitutional monarchy bas â¦ ed on the UK system with  HM Queen Elizabeth II as Head of State.
a system where the government is answerable to elected representatives of the people for its actions, especially a system where the ministry is drawn from within the Parliament from members of the party or parties which has the support of a majority of the lower house (in Australia the House of Representatives), and must maintain the confidence of a majority of that house