Skin.
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.
The skin acts as the first line of defense against infection by creating a physical barrier to pathogens. It contains antimicrobial peptides and sebaceous glands that help protect against harmful microorganisms.
hydrogen peroxide
A barrier... in humans that would be your skin.
The (unbroken) skin is a natural surface barrier to infection. Then, first aid items such as pads, plasters and bandages, used with antiseptic creams or lotions.
The skin is one of the body's first lines of defense against infection. Its physical barrier prevents pathogens from entering the body, while also producing antimicrobial substances to fight off potential invaders.
The integumentary system (skin) and mucous membranes are the first line of defense. They provide a physical barrier against invasion of pathogens. Any break in this physical barrier, such as a cut, makes it easier for pathogens to enter your body.
True. The skin acts as a physical barrier and provides the first line of defense against invasion by pathogens, preventing them from entering the body.
The body's first line of defense against HIV is the mucous membranes. These membranes act as a physical barrier that helps prevent the virus from entering the body through openings like the mouth, nose, and genitals. Additionally, the mucous membranes also produce substances like mucus and enzymes that can help trap and eliminate pathogens like HIV.
The first line of defense against infection or contamination of I.V. products is by hand washing.
Well, you first get infected from a scratch or bite, then the infection spreads into the bloodstream, getting by the first line of defence. The second line of defence, would be the white blood cells. They try overcome or "swallow" the infection. the third line of defense, is the anitgens. If all else fails, your f*cked.
The skin and mucous membranes are examples of physical barriers that serve as the first line of defense for the immune system. They help to prevent pathogens from entering the body and causing infection.