The skin protects against infection by shedding on average every 35 days and in doing so, also sheds bacteria. The skin also secretes chemicals that can destroy harmful bacteria.
Well in most cases your skin does not fight infection your leukocytes do, or (white blood cells). They are what protect against disease.
Host defenses that protect against infection include natural barriers. Such barriers are skin, or mucous as an example.
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Low pH on the skin due to the phospholipids protects the development of certain bacterial infection. Add the protective nature of the skin as a physicall barrier.
Skin
Edward Jenner
How does the lymphatic system protect the body against pathogens?
One of the primary functions of our skin is to protect us from infection. Although many burn victims die from shock, many also die from infection.
stratum corneum
True
Because it needs to protect against predators.
Just as your body produces a scab when you cut or scrape your skin, trees secrete sap or gum to protect against infection and pests.