Aantal gezegden is 1469558
varav 1407627 på engelska
Gezegde (1469558 st) ZoekCategoriën (2627 st) Zoek
Auteurs (167535 st) ZoekAfbeeldingen (4592 st)Geboren (10495 st)Gestorven (3318 st)Datums (9517 st)Landen (5315 st)
Idiom (4439 st)
Lengths
Toplists (6 st)
Denna sidan visar ordspråk som liknar "But these receptors are rare in the upper portion of the respiratory system. For the viruses to be transmitted efficiently, they have to multiply in the upper portion of the respiratory system so that they can be transmitted by coughing and sneezing.".