The fossil record tells us what types, kinds, and numbers of organisms may have lived in the past, as well as what they ate, what age they lived in,.
Handwashing is one of the most important (and easiest) practices used to prevent transmission of bloodborne pathogens. Hands or other exposed skin should be thoroughly washed as soon as possible following an exposure incident. Use soft, antibacterial soap, if possible.
Skin and mucous membranes The skin is your bodyâs largest organ and its most important barrier against infections. Itâs your first line of defense in protecting internal tissues from harmful germs. When thereâs a break in your skin, itâs easier for germs to get into your body and cause infection.Mucous membranes, which form the moist, pink lining layer of the mouth, throat, nose, eyelids, urethra, vagina, and digestive system, also act as a partial barrier against infection.These membranes normally help protect us from germs in the air we breathe, our environment, and in our food and drink.kin and mucous membranes The skin is your bodyâs largest organ and its most important barrier against infections. Itâs your first line of defense in protecting internal tissues from harmful germs. When thereâs a break in your skin, itâs easier for germs to get into your body and cause infection.