Notes and Study material for Exams
Acid An acid is a substance which forms H+ ions as the only positive ion in aqueous solution. Examples:- Hydrochloric acid dissolved in water forms H+ and Cl– ions HCl —> H+ + Cl– Sulphuric acid dissolved in water forms H+ and SO42- ions H2SO4 —>2H+ + SO42- Nitric acid forms H+ and NO3– ions when dissolved in water HNO3 —> H+ + NO3– … Read more
Nutrition in organisms Food is the basic necessity of man. It is a mixture of different nutrients such as carbohydrate, protein, fat, VITAMINS and Minerals. These nutrients are essential for Growth, development and maintenance of good Health throughout life. They also play a vital role in meeting the special needs of pregnant and lactating Women … Read more
Digestive System Introduction v The respiratory and circulatory systems work together to provide cells with the Oxygen they need for cellular Respiration. v Cells also need glucose for cellular respiration. Glucose is a simple sugar that comes from the food we eat. v To get glucose from food, digestion must occur. This process … Read more
Digestive System Introduction The respiratory and circulatory systems work together to provide cells with the Oxygen they need for cellular Respiration. Cells also need glucose for cellular respiration. Glucose is a simple sugar that comes from the food we eat. To get glucose from food, digestion must occur. This process is carried out by the … Read more
Digestive System Introduction The respiratory and circulatory systems work together to provide cells with the Oxygen they need for cellular Respiration. Cells also need glucose for cellular respiration. Glucose is a simple sugar that comes from the food we eat. To get glucose from food, digestion must occur. This process is carried out … Read more