Question

The swelling and pain associated with inflammation are caused by the a. destruction of bacteria by white blood cells. b. expansion of local blood vessels. c. secretion of antibodies. d. secretion of antigens.

Answer 1

The answer is B. the expansion of local blood vessels..

Answer 2

swelling and pain is mainly due to the expansion of local blood vessles to make them more permeable to white blood cells

hope that helps