<prompt> Lysozyme is present in the following secretions of the body except -Lacrimal secretionsCSFSalivaRespiratory tract secretions  <response>: Lysozymes is present in tissue fluids and in nearly all secretions except cerebrospinal fluid, sweat and urine. It act by splitting ceain polysaccharide components of the cell walls of susceptible bacteria . Reference : Anathanarayan panikers 9th edition, pg no:80 p 