Calcium in foods and its importance for nutrition

This bachelor's thesis deals with the calcium in food and its importance for the nutrition of students at second grade of primary school. The theoretical part discusses the general characteristics of calcium, especially the chemical, physical and biological significance of chemical compounds, the occurrence of calcium in water and nature. It is focused on the calcium content in foods of animal and vegetable origin. Finally, in the theoretical part, is outlined the importance of calcium for the human body, especially the intake, absorption, excretion and consequences of its insufficient income, for example hypocalcemia, osteoporosis and osteomalacia. Practical work is focused on findings to estimate the knowledge of students aged 12 to 15 years about calcium and consequently its consumption, occurrence in foods and the importance of nutrition, using a questionnaire. The results are evaluated and graphically presented