Final answer:
Medicare is a health insurance plan that allows members to go to any Medicare-approved doctor or hospital. It has two parts - Part A and Part B which cover different services.
Step-by-step explanation:
Medicare is a health insurance plan where members can go to any Medicare-approved doctor or hospital. It is a federal system that provides benefits to individuals who are eligible for Social Security. Medicare has two parts - Part A which pays some of the hospital charges and Part B which covers physician services, medical tests, and outpatient visits. Participants in Medicare pay a monthly fee, deductible charges, and copayments.