BIOLOGY - B1
- Created by: Harriet Williams
- Created on: 14-04-11 08:11
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- Healthy means being free of any infections or diseases
- Fit is a measure of how well you can peform physical exercise
- Blood pressure is measured in two measurements which are systolic/diastolic
- Things that can effect your blood pressure are - Diet, Overweight, Amount of exercise you do, Stress, Large consumption of alcohol
- Respiration is a process in which your body releases energy from glucose, this happens constantly in every cell in your body
- Aerobic respiration uses oxygen
- The equation for Aerobic respiration is - Glucose + oxygen -> Carbon dioxide + water (+energy)
- Anaerobic respiration happenes without oxygen
- The equation for this form of respiration is - Glucose -> Lactic acid (+energy)
- Eating to much can cause obesity
- Eating to little can cause problems also
- Your BMI tells you whether you are underweight, overweight or normal
- Carbohydrases break down carbohydrates
- Proteases convert proteins into amino acids
- Lipases convert fats into fatty acids and glycerol
- Infectious diseases are caused by pathogens
- The four main pathogens there are are - Fungi, Bacteria, Viruses & Protozoan
- Malaria is cause by a protozoan
- Your immune system deals with theses pathogens by - Concuming them, Producing antitoxins, producting antibodies
- Immunistation stops you getting infections
- You can take antibiotics to get rid of bacterial infections
- Scurvy - Caused by a lack of vitamin C
- Anaemia - Caused by a lack of iron
- Red-Green Colour Blindness…
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