1. Vaccinations and Immune Systems
Macrophages are cells that engulf and break down the invading bacteria or virus, leaving behind antigens which are sections of the disease-causing organism. ... Although there are many different types of vaccinations, they are after all made containing a weakened version of organism or pathogens which can be considered a virus or bacteria. ... The chemical mixed with the weakened virus or bacteria in the vaccine could damage the body of the recipient rather than providing protection for it. ... Although there are many chemicals used in vaccines, they serve a purpose in the protection they give...
- Word Count: 6040
- Approx Pages: 24
- Has Bibliography
- Grade Level: Undergraduate