[Q]: - Food - Water enter the body - Bloodstream - Food and water enter the pancreas - The pancreas breaks down carbs What might be the last step of the process?
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[A]: Helps digest other foods and liquids.

[Q]: - A person breathes in oxygen - The oxygen passes through the bronchial tubes to the lungs - The oxygen is moved into the bloodstream - Circulates through the body - The cells in the body exchange the oxygen with carbon dioxide - The bloodstream carries the carbon dioxide back to the lungs What might be the last step of the process?
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[A]: The lungs expel the carbon dioxide through the nose and mouth.

[Q]: - A stream or river must occur - Through erosion, the stream cuts into the soil and bedrock - Through continuous erosion, a deep gash is cut through - After many years the river may dry up What might be the last step of the process?
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[A]: A dry ravine is left

[Q]: - An isotope has too many protons - The isotope is unstable - The isotope emits radiation - The isotope decays - The isotope loses some atomic particles - The isotope turns into a different element What might be the last step of the process?
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[A]:
The isotope is finished decaying and emitting radiation.