Tools

This lesson discusses Microscopes which are an instrument used to see objects that are too small for the naked eye. Microscopes, and their ability to magnify. The parts of a microscope and their uses. Ocular lens, adjustment knobs, body tube, course adjustment knob, the fine adjustment knob all used to see an image on the stage lit by the light that goes through the contender on the base. Microscopes have different powers to view an object, which is also explained.

This video discusses Transmissible diseases or communicable diseases and how they began in the end of 20th century and the emerging of infectious diseases and what they are. Infectious diseases are mainly caused by microorganisms and how they enter the body to harm. This video touches on research biologists and what their jobs are and how to find ways to lessen the effects of epidemics. Epidemiologist work and track patterns and pathways of diseases and how they record and study epidemics. Pharmacologists are research physicians who devise plans for medicines. Environmental scientists seek ways to destroy carriers of diseases that affect human population. Geneticist study genes to find what geese can combat infection. Biochemists focus on technology and how to diagnose and treat diseases and malfunctions of body organs. The work of Modern biologists is varied, they apply their knowledge is various ways.