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.
Viruses carried by blood are known as bloodborne pathogens (disease producing microorganisms found in the blood). Many school personnel come in contact with blood and other bodily fluids when at work â whether in the classroom, on the playground, in the cafeteria, on the playing field or on the school bus.