Question: - The oxygen travels into the lungs - The oxygen binds to hemoglobin proteins within erythrocytes (red blood cells) - The erythrocytes are pumped through the body by the heart - All cells receive the oxygen. What might be the first step of the process?
Answer: Oxygen enters the body through the mouth or nose

[Q]: - Composition of blood is regulated - Volume of water in blood is kept constant - PH is kept at a constant level - Kidneys help regulate blood pressure - Kidneys stimulate the making of red blood cells - Calcium levels are maintained. What might be the first step of the process?
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[A]: Kidneys filter waste out of blood

input: Please answer the following: - Liver also cleans blood that has just been enriched with vitamins and minerals during digestion - Liver processes the good stuff into forms that the rest of the body can use - Waste or stuff your body doesn't need can be carried by bile back into the intestine or into the kidneys - The liver also produces a digestive juice called bile that helps the body absorb fat into the bloodstream - The liver also stores extra carbohydrates as glycogen for the body to use as fuel when needed. What might be the first step of the process?
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output: The liver removes toxins from the blood

Please answer this: - The parent(s) incubate the eggs - The eggs hatch - The mother (and sometimes the father) bird take care of the baby birds - The baby birds grow up and get their flight feathers - The young birds learn to fly and leave the nest - The adult birds find mates and mate. What might be the first step of the process?
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Answer: A bird lays eggs in a nest

Problem: - The fertilized egg, now a zygote, travels to the uterus - The zygote implants in the uterus - The zygote becomes an embryo - The embryo becomes a fetus - The fetus grows for approximately 9 months - The woman gives birth to a baby - The baby grows into a child - The child becomes an adult - The adult mates with another adult - What might be the first step of the process?

A: A sperm and egg meet inside a woman's fallopian tube

input: Please answer the following: - The can is taken to a recycling center - Melted down along with other cans - The melted metal is turned into bars - Becomes material for other products. What might be the first step of the process?
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output:
A can is thrown away into a recycling bin