Your skin,sweat,mucus,and tears is the first line of defense of your immune system. it is the original protector from bacteria and viruses
On the chart that i have the White Blood Cells are
the second line of defense the first is Lymphatic System
Well the first line is Natural Killer Cells, The Macrophage,second line of defence, eats the debris the NKC made by killing the Virus or Bacteria
skin and mucous membranes first line of defense second line-leukocytes and macrophages, inflammation and fever third is immune system
hydrogen peroxide
The unbroken skin.
eat some cheese
your skin
The body's first line of defense against infection is the skin.
Skin
The first line of defense against infection or contamination of I.V. products is by hand washing.
The integumentary system is one of the first lines of defense against infection. It provides a physical and chemical barrier against the entry of pathogens.
hydrogen peroxide
neutrophil
Yes it is a good line of defense.
Skin.
The first line of defense includes the skin, breathing passage, mouth and stomach.
Your skin is the first line of defense.
Your skin is the first line of defense.
Counter-terrorism Intelligence is often the first line of defense against terrorism in the US and other nations.