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.
61 Australiaâs system of government Australia is a federation, a constitutional monarchy and a parliamentary democracy. This means that Australia: ï· Has a Queen, who resides in the United Kingdom and is represented in Australia by a Governor-General. ï· Is governed by a ministry headed by the Prime Minister. Parliamentary Democracy The Constitution defines the Parliament of Australia as the Queen, the Senate and the House of Representatives. Parliament is the basis of Australiaâs tradition of responsible government.