input question: 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???
output answer: You breathe it out through your lungs

What is the final step of the following process: - The liver filters blood from the digestive tract - 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
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Answer: The liver regulates blood clotting.

Q: What is the final step of the following process: - Bacteria enter the body - Bacteria start to divide and grow - The uncontrolled growth takes away resources from other cells - Other cells cannot function properly - We feel unwell - The growth and division of bacteria produce toxins - Toxins harm the body - The body tries to react to the toxins
A: The body's natural defenses can sometimes cause us to feel unwell.

Question: What is the final step of the following process: - Cells obtain glucose and oxygen - The glucose and oxygen create carbon dioxide - The cells release energy - The cells don't have enough oxygen to repeat this - The cells obtain more oxygen from the air
Answer: The cells repeat this process.

[Q]: What is the final step of the following process: - A bird lays an egg - The egg hatches into a baby bird - Baby bird eats - Grows into an adult bird - The bird finds a mate - The pair build a nest
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[A]: The birds lay eggs.

Problem: Given the question: What is the final step of the following process: - Light energy is absorbed by chlorophyll in a plant - The light energy is used to convert carbon dioxide - The plant uses nutrients in the soil - The plant uses carbon dioxide in the air to produce glucose - The plant uses the glucose to give itself energy
++++++++++++++++++++++++++++++++
The answer is:
Oxygen is released as a by product.