Protozoa that live in the blood or tissue of humans are transmitted to other humans by an arthropod vector (for example, through the bite of a mosquito or sand fly). Entamoeba histolytica is a protozoan. A microscope is necessary to view this parasite.
The scientific revolution began in Europe towards the end of the Renaissance period and continued through the late 18th century, influencing the intellectual social movement known as the Enlightenment.he concept of a scientific revolution taking place over an extended period emerged in the eighteenth century in the work of Jean Sylvain Bailly, who saw a two-stage process of sweeping away the old and establishing the new.
Leonardo da Vinci 's Vitruvian Man, an example of the blend of art and science during the Renaissance. During the Renaissance, great advances occurred in geography, astronomy, chemistry, physics, mathematics, manufacturing, anatomy and engineering.he rediscovery of ancient scientific texts was accelerated after the Fall of Constantinople in 1453, and the invention of printing which would democratize learning and allow a faster propagation of new ideas. But, at least in its initial period, some see the Renaissance as one of scientific backwardness.