Norshahida Binti Mohamad Sabri 09bhk10f2043 Muhammad Khairul Anuar Bin Amran. 09bhk10f2039 Wan Nurul Nazirah Binti Wan Mahmud 09bhk10f2044 Ainur Khanidah Dzulhijah Binti Wahialkhan 09bhk10f2013
Fat is a nutrient. It is crucial for normal body function and without it we could not live. Not only does fat supply us with energy, it also makes it possible for other nutrients to do their jobs. Fats are nutrients that give you energy. Fats have 9 calories in each gram. Fats help in the absorption of fat-soluble vitamins A, D, E, and K. Fats are either saturated or unsaturated, and most foods with fat have both types. But usually there is more of one kind of fat than the other.
1. The main function of fats in the body is to provide energy: By supplying energy, fats save proteins from being used for energy and allow them to perform their more important role of building and repairing tissues. Fats on oxidation provide almost twice as much energy as that given by carbohydrates. 2. In addition to supplying energy, fats also help in forming structural material of cells and tissues such as the cell membrane.
3. Fats also carry the fats soluble vitamins A, D, E and K into the body and help in the absorption of these vitamins in the intestines. 4. Some fats supply essential fatty acids.
How much is too much body fat? It is generally accepted that men should have less than 18% total body fat and women less than 23% and that an excess is not particularly hazardous to health until levels reach 35% and 40% total body fat respectively. So what is percent body fat? Percent body fat is the percentage of the total body that is fat. Thus someone who weighs 150 pounds and is 10% fat has 15 pounds of fatty tissue. Where does body fat come from? Fat is produced by the body when the diet provides the body with more calories than it needs for general maintenance and its current level of physical activity
How do I lose excess fat? The removal of excess fat is achieved by consuming less calories than the body requires. The bodys fat stores will be broken down to address the deficit. How does exercise affect body fat? An increase in regular exercise will help to increase your calorie expenditure. The more physical activity you do the more calories you will burn. Accordingly, if you increase your physical activity, and do not increase your intake of food, you will draw the extra energy needed from your stored body fat.
Low-fat diets can actually increase the risk of heart disease, new research has revealed. For years people wanting to protect their hearts have avoided eating fatty foods such as red meat and dairy products. But the study suggests that low-fat diets weaken the immune system and slow the body’s healing process and make it less effective. A lack of fats and cholesterol can allow damage in arteries and veins to reach critical levels and lead to heart attacks, strokes or organ failure. Read more: http://www.dailymail.co.uk/health/article- 1375687/Low-fat-foods-INCREASE-risk-heart-disease- nutritionist-says.html#ixzz221a9gnHd
In conclusion, the human body requires nutrition is seimbang.diet not mean restricting the intake of a food, but to balance food intake with a proper quantity. for example in fat intake. fat is very important to our bodies. but must be taken with the correct quantity