input: Please answer the following: -  The lungs expand - Air is pulled from outside the body, into the lungs - The membranes in the lungs collect oxygen molecules - Oxygen is transferred to red blood cells - Red blood cells distribute oxygen throughout the body -   What might be the first step of the process?
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output: The diaphragm contracts


input: Please answer the following: -  Your town or a private company collect and transport the aluminum to a recycling facility - The aluminum is sorted and cleaned at the central recycling facility - The aluminum is melted down to remove coatings and inks - The melted aluminum is formed into large formations called ingots - The ingots are transported to another facility and rolled out to make them easier to manipulate - The ingots can now be turned into new aluminum products.  What might be the first step of the process?
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output: You place aluminum cans and other products into recycling bins


input: Please answer the following: -  The liver produces bile - The liver produces proteins for blood plasma - The liver converts excess glucose into glycogen for storage - The liver converts ammonia to urea - The liver regulates blood clotting.  What might be the first step of the process?
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output: The liver filters blood from the digestive tract


input: Please answer the following: -  Above the oven is a tank of water that is sealed - The tank of water begins to boil above the oven - A the water boils steam is created - The steam is denser than air so it needs a place to go - The steam is forced out of the tank and into a piston - The piston moves up - The valve of the piston closes - The valve on the next piston opens - The steam fills the next piston, driving it up, and the other one down -   What might be the first step of the process?
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output: