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Because you take oxygen in and when it is used the cells carry the wastes (carbon dioxide)

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Why does oxygen decrease after exercise and carbon dioxide increase?

During exercise, your body uses more oxygen to produce ATP for energy. This leads to a decrease in oxygen levels in the blood. As a byproduct of this increased oxygen consumption, carbon dioxide is produced and accumulates in the blood, leading to an increase in carbon dioxide levels.


Products given off as waste during exercise?

During exercise, lactic acid builds up in the muscles, leading to muscle aches. The lungs produce carbon dioxide, as they do at rest, and sweat is also produced by the body.


What is produced by repiration?

Carbon dioxide is produced by respiration.


What is the name of gas produced by the burning of fuel?

The gas produced by the burning of fuel is carbon dioxide.


How do you know that carbon dioxide is produced?

when carbon dioxide is produced in an aqueous solution, you can see the bubbles floating out of the liquid.


What is evidence that supports the law of constant composition?

The mass ratio of carbon to oxygen in carbon dioxide is always 3:8 In a molecule of water, the mass of oxygen is always 8 times the mass of hydrogen


What is produced respiration?

Carbon dioxide


What is the rate of carbon dioxide production?

You can find the rate of carbon dioxide production by doing an experiment to show the rate of carbon dioxide,You do this by counting the number of bubbles produced per minute.Increasing any key factor will increase the rate...


What does aerobic exercise use for energy?

The Aerobic Energy system works via the breakdown of carbohydrates by oxygen. The by products of this process are water (in sweat) carbon dioxide (in breath) and heat (produced by the muscles).


Produced when acids react with carbonates?

Carbon dioxide is produced when acids react with carbonates. This chemical reaction results in the formation of water, a salt, and carbon dioxide gas.


Which of the following are produced by the process of respiration?

Carbon dioxide, water, and energy (in the form of ATP) are produced by the process of respiration.


Why are three molecules of carbon dioxide produced in Glycolosis?

CO2 is not produced in Glycolisis.