• Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

Digestion coursework

Extracts from this document...

Introduction

Biology Test on Nutrients and Digestion Nutrients Carbohydrates * Contain: carbon, oxygen, hydrogen * Found in pasta, potatoes, bread, rice and sugars * Needed for energy-movement, digestion and warmth * Excess stored as glycogen in liver and muscles * Made from: Monosaccharide- single sugar unit e.g. glucose, fructose, galactose - Soluble - Small (not digested, pass directly in blood stream) ...read more.

Middle

- Glycogen- animal storage Too much carb causes obesity Too much sugar can rot teeth Fats * Contain: carbon, hydrogen, oxygen * Found in: butter, oil, margarine, peanuts, fatty meat * Needed for a) energy b) Insulation c) Storage of vit A and D * Excess stored under skin and around body organs * Made from fatty acids and glycerol Too much cholesterol blocks arteries Too much fat causes obesity Proteins * Contain: carbon, hydrogen, oxygen, ...read more.

Conclusion

iron, calcium...needed in small quantities * Iron found in meat, liver, kidney, spinach, brocolli Needed to make haemoglobin Lack causes anaemia and tiredness * Calcium found in milk, dairy products Needed to strengthen teeth, bones Lack causes rickets Vitamins e.g. vitamin C, D...needed in small amounts * Vitamin C water soluble & not stored in body Found in citrus fruits, blackcurrants, tomatoes Needed to heal wounds Lack causes scurvy, reduced resistance to disease * Vitamin D ...read more.

The above preview is unformatted text

This student written piece of work is one of many that can be found in our AS and A Level Exchange, Transport & Reproduction section.

Found what you're looking for?

  • Start learning 29% faster today
  • 150,000+ documents available
  • Just £6.99 a month

Not the one? Search for your essay title...
  • Join over 1.2 million students every month
  • Accelerate your learning by 29%
  • Unlimited access from just £6.99 per month

See related essaysSee related essays

Related AS and A Level Exchange, Transport & Reproduction essays

  1. Marked by a teacher

    Sand Dune Succession Coursework

    5 star(s)

    This is known as an interrupted belt transect. Prediction: I predict that as you go inland from the sea, species diversity will increase and more varieties of plants will be seen. Further more, several abiotic factors will change during succession.

  2. Marked by a teacher

    Biology coursework planning - the effect of lead chloride on the growth of cress ...

    5 star(s)

    mediums Medium in which cress seeds are grown Average length of shoot of cress seeds (mm) Cotton pad 46.7 Filter paper 36.0 Cotton wool 39.9 Note: All figures in the table are correct to 3 significant figures as per the Institute of Biology guidelines.

  1. The formation of urine.

    The donor's blood group and tissue type must be compatible with yours, and extensive medical tests will be done to determine the health of the donor. People who donate a kidney can live a normal life with one kidney and there are few risks to healthy donors.

  2. AS biology coursework on enzymes

    I will also make a control to ensure that I am getting the same or similar results to it. I will mix 10cm3 of starch and 10cm3 of amylase to get a clear yellow colour. This colour will help me compare my results to the control.

  • Over 160,000 pieces
    of student written work
  • Annotated by
    experienced teachers
  • Ideas and feedback to
    improve your own work