Question

When there is a cut in the skin and bacteria enter the body, the immune system responds. First, macrophages approach the area of the cut. Next, the macrophages surround any bacterial cells and engulf them. What feature of the immune system is best described by this scenario?

Answer 1

macrophages will engulg bacteria which is waste,immune cells another name called leucocytes are helping in fighting the bacteris.a part of leucocytes called lymphocytes will release antibodies and will attack the bacteria.immune system will resoond that is the feature here

Answer 2

It's called Phagocytosis where the macrophages extend their arm produced from the outer surface of the cell membrane, the arms circles around the bacterial cell and take the cell inside themselves to dissolve it with lysozymal corrosive enzymes to destroy it.