University of Texas students were fitted with belt-worn audio recorders for up to four days so that researchers could sample their daily activities. The researchers employed a scientific method known as

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the branch of biology that deals with the normal functions of living organisms and their parts.

the way in which a living organism or bodily part functions.

swahili is an extremely rich and complex civilization, a set of ethnic groups articulated by a language and a series of cultural elements that fuse the african traditions, islam and indian culture. this growth was largely a result of the indian ocean trading network that brought in not just man-made riches, but also religious ideas, specifically islam, which had a significant impact on the local culture. furthermore, the development of the swahili language gave a common cultural unity to the people.