Problem: What is the final step of the following process: - He air we breathe contains oxygen and other gases - Once in the lungs, oxygen is moved into the bloodstream and carried through your body - At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide - Your bloodstream then carries this waste gas back to the lungs where it is removed from the blood stream and then exhaled

A: Your lungs and respiratory system automatically perform this vital process, called gas exchange

Problem: Given the question: What is the final step of the following process: - Blood enters the kidney - The blood travels into the neophrons - Waste is expelled via the neophrons - The waste goes to the bladder in the form of urine
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The answer is:
The clean blood exits the kidneys.

input question: What is the final step of the following process: - Acid rain enters the atmosphere and lands - Makes water acidic - Kills fish - Kills the soils in trees???
output answer: Leaves are also harmed.

What is the final step of the following process: - Water in the clouds becomes very cold - The cold water forms ice crystals - The ice crystals grow by absorbing surrounding water droplets - Form snowflakes
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Answer: The snowflakes fall to the ground.

Q: What is the final step of the following process: - You must decide the purpose of the satellite - You must draw up a plan to what kind of orbit the satellite will travel - You make preparations for the rocket that will travel into space - Prepare the crew that will send it there - You begin the countdown date for the rocket - And then you send the rocket carrying the satellite into space
A: Once in orbit the satellite will be placed where it was planned.

[Q]: What is the final step of the following process: - Waste products are deposited in the blood - Blood is carried to the kidneys through the renal arteries - The kidneys contain filters inside - The filters capture the waste products - The waste is combined with water to make urine - The urine leaves the kidney and is collected in the bladder
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[A]:
The cleaned blood is returned to the body.