Write an essay. Required topic is macro and micro nutrients; how they are transformed into smaller parts, their function. The academic subj...
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What topicmacro and micro nutrients; how they are transformed into smaller parts, their function
Which subjectScience
What age groupYear or Grade 7
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Nutrients are essential for our bodies to function properly. The two types of nutrients are macro and micro. Macro nutrients include carbohydrates, proteins, and fats. Micro nutrients include vitamins and minerals. In this essay, we will discuss how these nutrients are transformed into smaller parts and their functions.

Transforming Nutrients

Before our body can use the nutrients, they need to be broken down into smaller parts. The process of breaking down nutrients starts in the mouth. The salivary glands in the mouth release enzymes that start breaking down carbohydrates. The food then travels to the stomach where more enzymes break down proteins. Fats are broken down in the small intestine.

Once the nutrients are broken down into smaller parts, they can be absorbed into the bloodstream. Carbohydrates are broken down into glucose, proteins into amino acids, and fats into fatty acids and glycerol. Vitamins and minerals are already small and don't need to be broken down.

Functions of Nutrients

Now that we know how nutrients are transformed, let's discuss their functions.


Carbohydrates are the body's main source of energy. Glucose is used by our cells for energy. Carbohydrates can be found in foods such as bread, pasta, and rice.


Proteins are important for growth and repair of tissues. They also help with the production of enzymes and hormones. Amino acids are the building blocks of proteins. Proteins can be found in foods such as meat, fish, and beans.


Fats are important for insulation and protection of organs. They are also a source of energy. Fatty acids are used by the body for energy. Fats can be found in foods such as butter, oils, and nuts.


Vitamins are important for various body functions. Vitamin A is important for vision, vitamin C helps with wound healing, and vitamin D is important for bone health. Vitamins can be found in foods such as fruits, vegetables, and dairy products.


Minerals are important for various body functions. Calcium is important for bone health, iron helps with oxygen transport, and potassium is important for muscle function. Minerals can be found in foods such as dairy products, meats, and fruits.


In conclusion, macro and micro nutrients are essential for our bodies. They need to be transformed into smaller parts before our body can use them. Carbohydrates, proteins, and fats are our main sources of energy. Vitamins and minerals are important for various body functions. It is important to have a balanced diet to ensure we are getting all the nutrients our body needs.