The skin, with its tricky outer layer, functions like a mechanical barrier from infection. In addition, it secretes substances that can get rid of microbes. Mucous membranes lure particles with mucus and use cilia to expel them, whilst also made up of protecting antibodies. Inflammation doesn&rsq

natural - in accordance with mother nature; referring to or regarding character; "an exceedingly natural development"; "our natural setting"; "natural science"; "natural resources"; "natural cliffs"; "natural phenomena" Should you be a M