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Storing energy for building
Glucose is the primary "fuel" that produce energy.
- Fats are packed into small units called lipoproteins and stored as body fat for later use.
- Proteins are broken into amino acids used to build new proteins, enzymes or tissues, such as muscle tissue.
- Amino acids and proteins are still available to be converted into glucose or used as a source of energy through the Transamination metabolic process.
- This glucose is stored in the muscles as glycogen.
While fasting, the body consumes the glycogen first, then fats, then proteins.
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The start of mechanical digestion
One remarkable ability of the human body is changing food into nutrients, allowing us to survive and thrive.
When we eat food, it ends up in our digestive system that is composed of several organs. The goal is to turn the food into nutrients.
- Mechanica...
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The energy inside the body
- Adenosine Triphosphate (ATP): Our bodies need energy. We get this energy through a pathway called metabolism. ATP is the most common "currency" used to trade energy between cells. ATP is a small coenzyme the cells in our body use as an energy source in most of their process...
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ATP can be compared to electric energy
Electricity can light your lamps or power your appliances. But electricity needs to be produced first. We need a fuel that can be converted into electricity, such as petroleum (carbohydrates) that is converted into gasoline (glucose). Or solar energy (fats) or wind power (protein...
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Chemical digestion of food
Saliva and gastric acid contain enzymes that break the chyme down further with a process called chemical digestion, where our body further breaks everything we eat into small absorbable molecules.
The bolus keeps being pushed through the intestines and broken down ...
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How nutrients change into energy
- The foods we eat are broken into three basic units: carbohydrates, fats, and proteins. They form the macronutrients.
- The macronutrients need to be further broken into simpler units that will be used to produce Acetyl-CoA.
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Other curated ideas on this topic:
ATP can be compared to electric energy
Electricity can light your lamps or power your appliances. But electricity needs to be produced first. We need a fuel that can be converted into electricity, such as petroleum (carbohydrates) that is converted into gasoline (glucose). Or solar energy (fats) or wind power (protein...
How nutrients change into energy
- The foods we eat are broken into three basic units: carbohydrates, fats, and proteins. They form the macronutrients.
- The macronutrients need to be further broken into simpler units that will be used to produce Acetyl-CoA.
Ketosis
... is a normal metabolic process. When the body does not have enough glucose (derived from sugars and starches) for energy, it burns stored fats instead; this results in a build-up of acids called ketones within the body.
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