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Our body requires many things to thrive and be healthy but what our body requires may not be available to eat in certain countries or in poverty. Without the correct nutrients in our food in the correct volume, a healthy body may not be possible.
Not only does our body need nutrients and volume of food but also our body requires hydration, as we cannot survive for more than 3 or 4 days without fluids. Ideally, adult women should consume 1.6 litres of water and men 2 litres for optimum health.
The food we eat must have enough energy for the daily body activities and this energy can come from carbohydrates, protein and fats, which are called macronutrients. The body can store energy in the fat but excesses of fat can be harmful and it can also store a small number of carbohydrates as glycogen in the muscles and liver to allow short-term energy needs.
Nutrition is not only needed for the body to function now but also to regenerate cells as the body is continuously repairing and replacing the bodies tissues. The main substances for growth and repair are proteins and minerals.
Proteins are one of the main components for many parts of the body like the heart, lungs, muscles, skin, nail and hair to name a few.
We will look at these and more components in other videos to look more at what our bodies require.
