diet Flashcards
what is glucose the digested product of and what does it provide and stored as
carbohydrates and provides energy or is stored as glycerol so it can be used as a source of glucose later
what are fatty acids and glycerol digested products of and what does it provide
fats and oils (lipids) and provides energy
what are amino acids the digested products of and why is it needed
proteins and needed to build proteins in the body which is important for the growth and repair of tissue
why is a balanced diet important and examples (7)
to give all the essential nutrients in the right proportions e.g carbohydrates, proteins, fats, vitamins, minerals, fibre and water
example of minerals
iron so the body can make haemoglobin (protein in red blood cells that carries oxygen)
example of vitamins
vitamin c which is needed in the growth, repair and maintenance of body tissues
purpose of fibre
provides bulk and helps the movement of material through the digestive system, keeping it healthy
purpose of water
prevent dehydration and used for lots of important body functions and processes
what do children and teenagers need more of and why
protein for growth
what do active people need more of and why (3)
1) protein for muscle development
2) carbohydrates for energy
3) when they’re active they sweat more therefore they need to drink more water
2 examples of what the balance of different nutrients depend on
age and activity level
examples of low and high energy foods
vegetables e.g celery
fruit e.g grapefruit
confectionary e.g chocolate
diary e.g butter
what happens if you take in more energy from your diet than you use
the body will store the extra energy as fat therefore weight will be put on
when is a person classified as obese
if they weigh more than 20% than the recommended weight for their height
what can excess sugar lead to (3)
1) type 2 diabetes
2) obesity
3) tooth decay
