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. As the chief cell type of the heart, cardiac cells are primarily involved in the contractile function of the heart that enables the pumping of blood around the body.

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Explanation

Ethnocentrism is the term anthropologists use to describe the opinion that one's own way of life is natural

Ethnocentrism means that one may see his/her own culture as the correct way of living.

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 President Johnson changes the name to the President's Council on Physical Fitness and Sports to encourage lasting fitness gains through sports and games and added five objectives to the Executive Order

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William James was an American philosopher and psychologist, and the first educator to offer a psychology course in the United States.

James is considered to be a one of the most influential philosophers of the United States, and the "Father of American psychology

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 Plato, the renowned Greek philosopher, is often hailed as the founding father of idealism.

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He belongs to Japan

Osaka is also a city of Japan

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He belongs to Austria

World no .3 in ATP Ranking

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Capita:l Doha

Currency :Rial 

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Milo was a six-time wrestling champion at the Ancient Olympic Games in Greece