Описание презентации по отдельным слайдам:
Презентация на тему «DIGESTION»
For life to continue the body requires fuel in the form of oxygen and food.Respiration provides the oxygen. RESPIRATION
It is brought about by the action on the food of certain substances called its passage though the body. Processing digestion
1.Protein 2.Carbohydrate 3.Fat It also contains small quantities of vitamins and minerals The food we eat consists of:
Proteins are found in meat,fish,eggs,milk and cheese.They are broken down into amino-acids during digestion.Protein is necessary for cell growth and repair. The protein
Carbohydrates are found in sweet and starсhy foods such as sugar flour and potatoes.They are broken down into glucose during digestion.Carbohydrates provide body cells with the energy required to perform their funсtions. The carbohydrate
Fats are found in meat,fish,dairy products and vegetable oils.The digestive process breaks them down to fatty acids.Fats provide energy and body fat,which is stored in a layer beneath the skin. Fat
It acts as a reserve source of energy when needed and also as insulation which helps maintain body temperature in cold weather. It acts as a reserve
For the production of blood,digestive juices,urine and sweat.Many foods contain a large quantity of water but it is still necessary. The body requires water….
To drink more than a litre of fluid daily.