Angina pectoris, commonly known as angina, is the sensation of chest pain, pressure, or squeezing, often due to ischemia of the heart muscle from obstruction or spasm of the coronary arteries.
Pure Culture. A pure culture is a population of cells or multicellular organisms growing in the absence of other species or types.
State what culture is. Culture is a group's way of life - its language, beliefs, values, norms, behaviors, and even material objects that people pass from one generation to the next. Explain the difference between material culture and nonmaterial culture. Unit 3.2 Explain how culture is the lens through which you view life. Know what culture shock, ethnocentrism, and cultural relativism are. Unit 3.3 Explain how language is the basis of culture and even makes a past and future possible.