C. Skin
Because it's the outer layer of your body that protects everything
I believe the answer they are looking for is a 70year old would be covered by medicare as oppose to a 55year old with disablity would be covered by medicaid
My physical activity is playing volley ball and doing chores
TRUE!
Your sentence itself explains it, so there is no need to further description.
Hope this helps!
Improve stress management
