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Answer: An open system can exchange both matter and energy with the surroundings. Î´ H is measured when an open system is used as a calorimeter. A closed system has a fixed amount of matter, but it can exchange energy with the surroundings.
Top 10 amazing movie makeup transformations. An open circulatory system is a type of circulatory system in which nutrients and waste are moved through the body with the assistance of a fluid which flows freely through the body cavity, rather than being contained in veins.he fluid in an open circulatory system is sometimes referred to as hemolymph, referencing the fact that it is a cross between blood and lymph.