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Muscles enable the heart to beat, the chest to rise and fall during breathing, and blood vessels to help regulate the pressure and flow of blood through the body. When we smile and talk, muscles help us communicate, and when we exercise, they help us stay physically fit and healthy.
Why do we need to eat fat? Fat! Donât be scared of itâ¦ You actually need it in your diet. Fat doesnât directly make you âfatâ â excess calories make you âfatâ. Itâs about getting the right balance. Fat has had bad press, to the extent that some foods are designed and marketed as âfat-freeâ. But it isnât all bad. In fact, getting some fat from our diet is absolutely vital. In this section, you will find out what fats are, why we need them, what they do for us and where we find them in our foods. Why do we need fat?