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
