WebTo cause an infection, microbes must enter our bodies. The site at which they enter is known as the portal of entry. Microbes can enter the body through the four sites listed below: Respiratory tract (mouth and nose) e.g. influenza virus which causes the flu. Gastrointestinal tract (mouth oral cavity) e.g. Vibrio cholerae which causes cholera. WebApr 14, 2024 · Immune system issues: As we age, our immune systems become less able to defend our bodies from infections properly. Older people may not be able to fight off bacteria quickly, so UTIs are more likely to develop. In addition, seniors are more likely to experience more severe infections when bacteria from the lower urinary tract enter the …
Your Immune System: How It Fights Infection to Keep You Well - WebMD
WebOct 14, 2024 · Strictly speaking, bacteremia refers to the presence of bacteria in the bloodstream. Bacteria can sometimes enter your bloodstream due to things like cleaning … WebApr 3, 2024 · They can be spread through skin contact, bodily fluids, airborne particles, contact with feces, and touching a surface touched by an infected person. Pathogen types There are different types of... flower delivery in oman
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WebAug 13, 2024 · What are the cells that protect the body from germs? As the germs from the paper begin to attack your body, several different immune cells also come to help fight them off. There are cells that hang out just beneath your skin and wait for germs. These cells are called neutrophils and macrophages. Neutrophils are a sort of jack-of-all-trades ... WebThe bacteria can enter your body through a wound, a cut or a scratch, and produce. Tetanus, commonly referred to as lockjaw, is a potentially fatal infection caused by a bacterium called Clostridium tetani. The bacteria can enter your body through a wound, a cut or a scratch, and produce a harmful toxin that affects your nervous system. greeks invented direct democracy