Overweight is defined as: 10 % more body fat than is recommended having more body fat than lean tissue an accumulation of fat cells none of the above

it enhances antibody production by t cells of the adaptive immune system.

hope i'm right

explanation:

thrombocytopenia, which is a deficiency in blood platelets, can cause bleeding and bruising in the dermis similar to senile purpura. other possible causes include: exposure to ultraviolet rays and aging skin are common causes of senile purpura. senile purpura may also be a sign of collagen loss in the skin and bones.