Human population growth serves as an important model for population ecologists, and is one of the most important environmental issues of the twenty-first century.
Confidence votes 1. no not all, blood-borne pathogens are typically found in the blood stream and any bodily fluid that can contain blood can contain a blood borne pathogen. these include urine, feces, saliva, sperm, vaginal secretions, and even tears.
BLOODBORNE PATHOGENS are viruses, bacteria, and other microorganisms in human blood or other potentially infectious materials that can cause disease in persons who are exposed to blood or other potentially infectious materials containing the pathogens.