Oligosaccharides
The three are called fuel nutrients(macronutrients):Carbohydrates, Fats, Proteins.
The three most abundant elements in carbohydrates are carbon, hydrogen, and oxygen. Carbohydrates are composed of these three elements in varying ratios.
The three sources are carbohydrates, proteins and lipids. There are more like vitamins, minerals, and water.
Carbohydrates are often abbreviated to "carbs".
The only three atoms found in carbohydrates are Carbon (C), Oxygen (O), and Hydrogen (H). They are named carbohydrates after these three elements, carbo from carbon and hydratefrom water, which is H2O.
There are three main nutrients that provide energy which are carbohydrates, proteins and fats. They are also called macronutrients and are needed for metabolism, growth and other body functions.
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Simple carbohydrates
Carbohydrates are so called as they are made from carbon, hydrogen, and oxygen. The -ate at the end means (in chemistry) something contains oxygen.carbo-hydr-ate--------Note: This question is quite similar to "Why are carbohydrates called carbohydrates?". Please merge them, thank you.
The three types of carbohydrates are monosaccharides, disaccharides, and polysaccharides.
Three examples are fructose, glucose and galactose.
Fats and carbohydrates are composed of the elements carbon, hydrogen, and oxygen.