Problem: What is the final step of the following process: - You breathe in - Air goes through all the little branches in your lungs to fill up the air sacs, or alveoli - Oxygen goes through the walls of the alveoli and into the capillaries - The oxygen goes into the bloodstream - Oxygen is left and carbon dioxide is picked up

A: You breathe it out through your lungs

Problem: Given the question: What is the final step of the following process: - A tree produces seeds - The seeds are dispersed by wind, animals, etc - The seeds reach the ground - Grow into new trees - These new trees produce seeds
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The answer is:
The process repeats itself over and over

input question: What is the final step of the following process: - Iron is exposed to oxygen - Is exposed to air - A chemical reaction occurs - The iron starts to oxidize???
output answer: The iron starts to rust.

What is the final step of the following process: - Fluid - Waste enters the kidneys - A processing moment in the kidneys let waste and fluid pass - Prevents larger molecules to pass - Fluid goes back to the bloodstream - Bad waste is removed
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Answer: The final product is turned into urine.

Q: What is the final step of the following process: - The sun gives off radiation - The radiation is aborbed by the Earth - Some of the radiation goes back into space - Some is trapped by the atmosphere - If too much heat is trapped
A: Global warming occurs.

[Q]: What is the final step of the following process: - Oxygen enters the body through the mouth or nose - 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
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[A]:
All cells receive the oxygen.