
Body fluids are liquids originating from inside the bodies of living humans. They include fluids that are excreted or secreted from the body. Human blood, body fluids, and other body tissues are widely recognised as vehicles for the transmission of human disease.
Bodily fluid includes the following:
Aqueous humour and vitreous humour
Bile
Blood serum
Breast milk
Cerebrospinal fluid
Cerumen (earwax)
Endolymph and perilymph
Female ejaculate
Gastric juice
Mucus (including nasal drainage and phlegm)
Peritoneal fluid
Pleural fluid
Saliva
Sebum (skin oil)
Semen
Sweat
Tears
Vaginal secretion
Vomit
Urine