00:02
When we talk about food, the first question that comes is, why do we eat? so basically, food is eaten because it provides us with energy.
00:19
So it's a source of energy.
00:25
But do all kind of food give us energy? basically, carbohydrates and fats are considered as energy giving.
00:58
Let us understand why.
01:01
So carbohydrate as well as fat are basically a kind of complex substance that we intake in the form of food.
01:18
Now this complex substance has to be broken down into simple forms.
01:31
So that, that simple form can be further broken down and produce energy.
01:40
So this process is digestion and this process is known as respiration.
01:56
But the question here is, why only carbohydrate and fat? basically, carbohydrate which is a complex substance is converted, is broken down into simple form that is glucose.
02:15
C6h12o6.
02:17
Now that glucose when combines with oxygen produces energy...