• 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)

    done to gather more data and increase the reliability of trends shown. This could be done by other students and the results could be shared between the classes. There are a lot of abiotic factors to consider in this experiment however I have decided to look more closely at the

  2. Marked by a teacher

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

    5 star(s)

    * Measure 15ml of distilled water using a measuring cylinder and carefully pour into each petri dish. * Take 40 seeds in the hand and scatter them across the cotton pad in the first petri dish. * In a third petri dish, place 40 seeds using tweezers at each corner

  1. Peer reviewed

    The comparison of antibacterial properties of herbal products and standard antibiotics

    5 star(s)

    This leads me to question whether tea tree oil fails to work at it's best against bacteria that is gram negative. Both of the herbal products on M.luteus showed two rings of where the bacteria had first grown to, and a second ring of where it had over-gone this ring due to the product becoming less effective towards the bacteria.

  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