Respuesta :
Explanation:
Carbohydrates are the main energy source of the human diet.
Fats are also a source of energy but fats are the slowest source of energy.
In humans and other multicellular organisms Carbohydrates plays central role as an energy source.
Carbohydrates are the nutrients most frequently used as an energy source, as they are fast-acting and turn into energy as soon as they are ingested. This energy powers the brain and body.
What are the Carbohydrates?
A carbohydrate is a biomolecule consisting of carbon (C), hydrogen (H) and oxygen (O) atoms, usually with a hydrogen–oxygen atom ratio of 2:1.
Carbohydrate is a synonym of saccharide, a group that includes sugars, starch, and cellulose.
The saccharides are divided into four chemical groups: monosaccharides, disaccharides, oligosaccharides, and polysaccharides.
Importance of Carbohydrates:
- Serves as energy store and structural and structural components.
- Backbone of genetic material RNA
- Central to nutrition and found in variety of natural and processed foods.
Cereals, potatoes, fruits, and sugars are rich in carbohydrates.
Fats as an Energy Source:
Fat is an important component of a diet designed to fuel exercise. Fat provides the main fuel source for long-duration, low- to moderate-intensity exercise.
Fat to fuel exercise has three key parts:
Digestion: Fat is slow to digest and be converted into a usable form of energy. This process can take up to six hours.
Transportation: After the body breaks down fat, it needs time to transport it to the working muscles before it can be used as energy.
Conversion: Converting stored body fat into energy takes a great deal of oxygen, which requires decreased exercise intensity.
Protein as an energy source:
Protein is what is known as a macronutrient and is responsible for a large portion of the body's energy supplies.
Only a small amount of protein is directly converted into energy, because it isn't stored away in the body like carbohydrates and fats.
Protein isn't the ideal source for energy but present it in the diet is crucial to maintain high energy levels.
Protein also helps in maintaining muscle mass, which in turn supports a healthy metabolism rate.
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