5. Nutrients are the substances that enrich the body. They are
used to build and repair tissues. It can be classified into
the following types
Carbohydrates
Proteins
Food
Vitamins
Minerals
Water
6. CARBOHYDRATE AND ITS FUNCTIONS
They are the main source of energy for the body; They are
composed of carbon, hydrogen and oxygen.
The functions are;
Provide energy
Spare proteins for body building functions.
7. PROTEINS & ITS FUNCTIONS
Those are complex chemical substances containing
carbon, hydrogen , Oxygen, nitrogen & Sulphur. Its
functions are;
Needed for growth, maintenance and repair of tissues
Help in the clotting of blood
8. FAT
Concentrated source of energy, made up of small units-fully
acids. Functions are as follows.
Help in growth of tissue
Provide concentrated source of energy
9. VITAMINS
It can be defined as essential organic compounds required
in minuscule amounts. Its function as catalysts for
reactions within the body. It can be divided into two types;
1. Fat slouble Vitamins- ADEK
2. Water soluble Vitamins- B Complex and C
10. MINERALS
Minerals constitute a very small amount of the total body
tissue
The two kinds of minerals are
1. Macro minerals- Ca, P, K, etc
2. Trace Minerals- Fe, Zn, Co etc
11. WATER
It is the body’s most important nutrient is involved every
bodily function, and makes up 70-75 of your total body
weight.
