Part C Once a slide is prepared and placed onto the microscope, the magnification and focus need to be altered. Describe how to change the magnification and bring the image into focus using a light microscope like the one in the simulation.​

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.

for example, no new evidence will demonstrate that the earth does not orbit around the sun (heliocentric theory), or that living things are not made of cells (cell theory), that matter is not composed of atoms, or that the surface of the earth is not divided into solid plates that have moved over geological timescales .