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Sport nutrient the three food groups

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Sport nutrient the three food groups Nutrition in sport is important, you can perform at optimum level with the right balanced diet. There are six main food groups which consist of fats, fibre, protein, carbohydrate, minerals and vitamins. The definition of nutrition is the intake of food to sustain growth and development and keep the body alive and healthy. The six main food groups can be split into two groups macronutrients and micronutrients. Macronutrients are nutrients that provide energy. Nutrients are substances needed for growth, metabolism, and for other body functions. Macronutrients consist of three food groups: Carbohydrate - the main source of energy. There are two types of carbohydrate, simple and complex. Simple can be found in food sugary sweet food such as jam and icecream. Complex can be found in grain products such as bread, crackers and rice. Fats - a source of energy and body temperature. There are two types of fats saturated and unsaturated. Saturated fats generally solid at room temperature and tend to be animal fats a good example of saturated fat is beef and bacon. ...read more.


This will equal 70g per day for an untrained female. For an average man will need 90g per day. Protein - Depending on the individuals sport they may require high or lower amount of protein, for example a weightlifter compared to a marathon will need a greater amount of protein to repair and growth of muscles. So for a trained individual will need 15-25% depending on there sport. An untrained individual will need 10%. This will equal 35g per day of protein for an average female. An average male will need 40g per day. Common terminology Recommended daily allowance (RDA) - refers to the amount of each nutrient that a person should consume per day in order to remain healthy. Estimated average requirements (EAR) - this is the average amount of energy or a nutrient needed by a group of people. They may require more or less than the EAR. Safe intake (Si) - this is the amount judged to be enough for almost everyone, but below a level that could have effect to your health. ...read more.


The food that the body doesn't need is passed to the large intestine. The large intestine is last part of the journey. On its way it goes into the colon, the part of the large intestine where most of the water that is left in the liquid mix is absorbed into the blood. As the water leaves the mix, the waste that's left gets harder and harder until it becomes a solid. When this solid waste reaches the end of the large intestine, it's been there for anywhere from 10 hours up to several days. Function of the digestive system Digestion - the digestion is the foods journey, it consist of buccal cavity, oesophagus, stomach, duodenum, pancreas, liver, gall bladder, small intestine and large intestine. All these organs help the body to absorb all the nutrients in to your body. Absorption - the absorption happens in the small intestine Lining, this is called villi. These absorb the chemicals that we need from the food into the body and pass through the wall of the small intestine and into the blood. Excretion - is the removal of the waste products that your body doesn't need it happens in the large intestine. ?? ?? ?? ?? ...read more.

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