When we breathe in, the air enters our lungs and is then expelled through our mouths and nose. This process of inhaling and exhaling is called respiration.
In contrast, when something burns, the fuel is first introduced into the air environment. The heat of the fire then causes the fuel to react with oxygen from the atmosphere, creating carbon dioxide and water vapor.
What is Respiration?
When you inhale, you are using the air that is in your lungs to breathe in. When you exhale, you are releasing the air that was in your lungs. This process of breathing is known as respiration.
Respiration is a two-step process: Inhalation and Exhalation.
Inhalation happens when you take in air. You do this by opening your mouth and breathing in. The air enters through your nose and throat, goes down into your lungs, and gets mixed with oxygen from the air.
Exhalation happens when you let out the air that was in your lungs. You do this by closing your mouth and breathing out. The air leaves through your nose and mouth, goes out through your throat, and leaves the body.
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What is Combustion?
Combustion is the process of burning something in order to create energy. This can be done with any type of material, including air and fuel. When you burn something, you are using the energy from the fire to change the molecules in the object or substance being burned into other molecules. This process is called oxidative decomposition.
Why is Respiration Necessary?
The process of respiration, or breathing, is an essential function for all organisms. Without respiration, organisms would quickly suffocate. Respiration occurs when oxygenates are taken in by the cell and carbon dioxide is expelled.
Respiration can be divided into two categories: respiratory gas exchange and energy production. In respiratory gas exchange, cells use oxygen to create energy. This energy is used to fuel many different processes in the body, including muscle activity and digestion.
Energy production occurs when cells convert glucose from food into ATP. ATP is then used to power many different activities in the body, including muscle movement and growth. Respiration is a crucial process for both humans and other animals because it allows us to survive and thrive in our environment.
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Why is Combustion Necessary?
Combustion is necessary for respiration because it provides the energy needed for the body to break down food and produce energy. Without combustion, the body would not be able to create heat or energy.
What are the Differences Between Respiration and Combustion?
When you breathe in, the air enters your lungs and is oxygenated. The carbon dioxide that was released from your cells during the process of combustion is eliminated from your body as you exhale.
Respiration takes up more energy than combustion, because it requires more work to get rid of the carbon dioxide. In fact, when you burn something like gasoline, about 30% of the energy that is used to produce heat and light goes into breaking down the fuel into molecules that can be burned. Respiration uses only about 6% of the energy to do the same thing.
