<span>the type of white blood cells is produced in the thymus and destroys the cell membranes of bacteria is: B cells or also known as B. lymphocytes
B cell is a type of white blood cell of the lymphocyte subtype. One of its main function is to create a component in adaptive immune systems that made the body capable to became more resistance towards a phatogen after previously exposed to it</span>
B. its should be propped up against the wall
Respiratory system I think. I MAY BE WRONG.
Hope I helped!
