For our bodies, the first line of defense against invasion by germs is made up of the skin and the mucous membranes (for example, those that line the nose and the throat).
Mūsu organisma pirmo aizsarglīniju cīņai pret baktēriju iebrukumu veido āda un gļotādas (tās klāj, piemēram, deguna dobumu un rīkli).