input: Please answer the following: - The lungs remove oxygen from the air - Oxygen diffuses from alveoli in the lungs to the bloodstream - Hemoglobin in red blood cells attaches to the oxygen - Red blood cells carry oxygen all around the body - Oxygen diffuses into cells from capillaries. What might be the first step of the process?
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output: Air goes into the lungs

input: Please answer the following: - The oil is transported to stores - Oil is purchased by homeowners - Oil is placed into a stove in the house - The oil is lit on fire, and burns for a long time - The warm air off of the oil travels through the house - What might be the first step of the process?
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output: Oil is gathered through mining operations

input: Please answer the following: - That bacteria begins to grow and reproduce inside the cells - The dividing bacteria begin to make toxins - Those toxins damage your cells - Disease symptoms may begin. What might be the first step of the process?
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output: Someone is infected with bacteria

input: Please answer the following: - The virus enters the human or animal body - The virus goes to the part of the body that contains its food - The virus consumes part of the body or materials that the body uses - The virus replicates and spreads - The virus causes symptoms in the body as the immune system tries to expel the virus. What might be the first step of the process?
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output:
Contact is made with a virus