Dietary Fibre

Science: KS3, topic 1.4.9

Dietary Fibre

Fibre, or roughage, is an important part of a healthy balanced diet. Fibre has many useful benefits for humans.

Function

Function

  • Fibre lowers the risk of health problems including:
  • Heart disease
  • Stroke
  • Type 2 diabetes
  • Bowel cancers
  • Fibre aids in digestion by:
  • Keeping you regular
  • Preventing constipation
  • Lowering the risk of haemorrhoids
Description

Description

  • Fibre is a type of carbohydrate.
  • The human body is unable to break down fibre, as it is similar to cellulose.
  • Humans can therefore not digest fibre.
Fibre rich diet

Fibre rich diet

  • Fibre is found in the following foods:
  • Beans
  • Nuts
  • Fruits
  • Vegetables
  • Wholemeal bread
  • Rice

Test yourself on Dietary Fibre

  • What does fibre lower the risk of?

  • Which of these foods is the best source of dietary fibre?

  • Which nutrient should someone eat more of to help lower their risk of type 2 diabetes?

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