Problem: Given the question: What is the final step of the following process: - Air enters the lungs through bronchial tubes - Air enters bronchioles - Bronchioles have tiny air sacs called alveoli - Alveoli surrounded by small blood vessels - Oxygen absorbed by small blood vessels - Vessels deliver oxygen to every cell in the body - Blood brings carbon dioxide back to lungs
++++++++++++++++++++++++++++++++
The answer is:
Carbon dioxide released when you exhale.

input question: What is the final step of the following process: - The saliva breaks down the chemicals in the food a bit, which helps make the food mushy and easy to swallow - Your tongue helps out, pushing the food around while you chew with your teeth - The esophagus moves food from the back of your throat to your stomach - Strong muscles in the walls of the stomach and gastric juices break down food in your stomach???
output answer: Your stomach moves the food into the intestines to complete digestion

What is the final step of the following process: - Kidneys filter waste out of blood - 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
----
Answer: Calcium levels are maintained.

Q: What is the final step of the following process: - There is a rain cloud in the sky - Small bits of ice within the cloud bump each other - The collisions create electrical charge - Lighter, positively charged particles sink to the bottom of the cloud - Heavier, negatively charges particles rise to the top
A: When the positive and negative charges grow large enough, a giant spark, called lightning occurs

Question: What is the final step of the following process: - You breathe air in - Air enters bronchial tubes - Air is then split into the bronchioles of each lung - Bronchioles have alveoli which are tiny air sacs - Alveoli is surrounded by many small blood vessels - Oxygen passes through alveoli into blood vessels - Blood leaves the lungs as it travels through the body - Blood carries carbon dioxide back to the lungs
Answer: Carbon dioxide released when you exhale.

Please answer this: What is the final step of the following process: - Water evaporates from the ground up to the sky - Water droplets are in clouds - The air gets cold - Water droplets turn into ice crystals
++++++++
Answer:
Ice crystals in clouds stick together and become snowflakes.