Biology - Human fitness and health.
A mind map showing GCSE work about the fitness and health of humans as reision for a test.
- Created by: Claire Saunders
- Created on: 02-11-12 08:02
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- Biology - Human Fitness and health
- Blood vessels
- Arteries-thick walls,thick muscle and fibre,carries ox blood, high pressure.
- Capillaries -thin walls.
- Veins-thin walls, one way valves (gstes), deox. blood and lower pressure.
- The heart-a muscle, beats 70 time/minute, pumps blood around body, muscle cells need constant supply of nutrients and removal of waste product, needs own supply of blood, blood vessels 'coronary ateries supply blood to heart muscles.
- A balanced diet
- Carbohydrates (sugars) eg - pasta. bread.
- Proteins - meat , eggs.
- Fats - Cake, butter.
- Vitamins, minerals - fruit juice, peaches.
- Fibre - celery, beans.
- Water
- Food tests.
- Starch - Iodine - yellow/brown to blue/black.
- Sugar - Benedict's test - bright blue to brick rfed.
- Proteins - biuvet test - purple ring/
- Fat - smear.
- BMI
- BMI=mdy mass (kg) divided height (m)2
- Normal range=20-25
- Overweight=25-30
- EAR=0.6xbodymass (kg)
- Untitled
- Blood vessels
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