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 (BBP) 1  Bloodborne Pathogens means pathogenic microorgan- isms that are present in human blood and can cause disease in humans. These pathogens include, but are not limited to, hepatitis B virus (HBV) and human immunodeficiency virus (HIV).