Biology
- Created by: keeleey99
- Created on: 13-04-15 19:03
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- Keeping Healthy
- Malnutrition
- Condition caused by unbalanced diet, resulting in deficiency or excess of nutrients.
- Seven Food Types
- Carbs
- - Carries out respiration for immediate energy
- Fibre
- - Helps digest - Prevents constipation
- Minerals
- - Strengthens bones -Produces red blood cells which transport oxygen
- Vitamins
- - Prevent diseases and conditions e.g scurvey.
- Protein
- - Build muscles - Renew cells - Grow and repair
- Water
- - Keeps hydrated - Part of the transport system
- Fats
- - Helps store energy and insulation
- Carbs
- Metabolic Rate
- Rate at which all chemical reactions occur
- Rate for burning calories
- Factors affecting metabolic rate
- Food intake
- Amount of exercise
- Age
- Inherited factors
- Proportion of muscle and fat
- Different people need different amounts of energy
- Pregnant women needs more energy than normal as she is providing for two
- A rugby player needs more energy than an office worker because he works it off more frequently and quicker
- Energy intake more than needed
- Become obese
- Arthritis
- Diabetes
- High blood pressure
- Heart disease
- Diabetes
- Become obese
- Energy intake not enough
- Anorexia
- Pathogens & Disease
- Pathogen - bacterial virus/disease caused by microorganisms
- Virus in your body - then they reproduce
- Damage tissues
- Bacteria produce toxins which make you feel ill
- Damage tissues
- Bacteria produce toxins which make you feel ill
- Virus in your body - then they reproduce
- Role of white blood cells
- Ingest pathogens, break them down
- Produce antibodies which destroy pathogens
- Produce antitoxins which cancel out toxins released by pathogens
- Pathogen - bacterial virus/disease caused by microorganisms
- Malnutrition
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