Back to the full dot-point answer
WalesFood Preparation & NutritionQuick questions
Area 2: Principles of nutrition
Quick questions on Minerals and water - WJEC GCSE Food Preparation and Nutrition (Area 2)
4short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.
What is function?Show answer
with vitamin D, builds and maintains strong bones and teeth, and helps muscles and nerves work. It is especially important during growth and in older people, to reduce the risk of brittle bones (osteoporosis).
What are sources?Show answer
milk, cheese, yoghurt, fortified plant milks, green leafy vegetables and tinned fish with soft bones.
What is deficiency?Show answer
weak bones and teeth; in children, poor bone development; in later life, osteoporosis.
What is the problem?Show answer
most people eat too much salt, much of it hidden in processed foods. Too much sodium raises blood pressure, increasing the risk of heart disease and stroke. The advice is to cut down on salt (no more than about 6 g a day for adults).
Have a question we have not covered?
This dot-point answer is short enough that we have not extracted many short questions yet. Read the full dot-point answer or ask Mo, our study assistant, in the chat for follow ups.