BBC Bitesize is an offshoot of BBC that gives educational support to children for learning and revision. BBC Bitesize has divide its content into three categories Primary, Secondary and Post 16. BBC Bitesize offers support to children about studies, syllabus and career options as well. They have a comprehensive list of career options for children. A wide variety of topics are covered in BBC Bitesize including nutrition, food, diet and much more.
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BBC Bitesize content can be easily comprehended by students of all ages. It has been designed in an interactive method, which helps answer all the queries faced by the student in a clear and methodical manner.
The topic of nutrition pertains to the syllabus of class 8th in the subject of Science and Environment. The chapter of nutrition is a part of Nutrition, Digestion and Excretion. It has 5 learner guides supported by video clips. It includes subject text, videos that explain the matter in detail and tests for revision. The chapter has been segregated into sections and sub sections.
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The topic of nutrition has been divided into
– Biological molecules
– Diet
– Digestive system
– Plants
– Excretion in plants and animals
A detailed study about carbohydrates, healthy diet, lipids, fats and oils, vitamins and minerals, fiber etc. The plan of the chapter deals with all the questions that the children need answered. It studies what nutrients are. Nutrients are required by the body to stay healthy. There are 5 groups of nutrients.
Macro nutrients
- Proteins – Tissue growth – known as the body’s building blocks. Athletes frequently use protein supplements in their diet and will consume protein immediately after training, sometimes as a ‘shake’.
- Carbohydrates – Source of energy. Divided into: simple carbohydrates – sugars and complex carbohydrates – starches. Athletes need to consume larger quantities of carbohydrate to fuel their training and performance. Prior to an endurance event such as a triathlon, athletes might ‘carbo-load’ to ensure they have enough to finish the race.
- Fats – Source of energy. Four types: monounsaturated, polyunsaturated (omega 3 and 6), saturated and trans fats. Fats are stored under the skin and are essential for health. Too much fat can limit an athlete’s performance due to increased weight.
Micro nutrients
- Minerals – Essential for many processes, eg bone growth/strength, nervous system, red blood cells, immune system. Need small amounts only.
- Vitamins – Essential for many processes, eg bone growth, metabolic rate, immune system, vision, nervous system. Need small amounts only.
Water and fluids – The body needs to be hydrated to stay healthy. Women should drink around 1.6litres (approximately 8 glasses) of fluid and men should drink around 2litres (approximately 10 glasses) of fluid per day. This varies according to the temperature and how rigorous the exercise. All drinks count but water is the healthiest. Fruit juices are fine in moderation but do contain high levels of sugar.
BBc Bitesize nutrition explains in detail all the subjects of the topic.
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