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717392
Keeping Healthy
Description
Part of B1
No tags specified
biology
gcse
science
gcse
biology
Mind Map by
I Turner
, updated more than 1 year ago
More
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Created by
I Turner
over 10 years ago
38
0
1
Resource summary
Keeping Healthy
Diet
Food Groups
Carbohydrates
Release Energy
Fats
Keep warm
Release Energy
Protein
Growth and Repair
Fibre
Digestive System
Vitamins and Minerals
Skin, bones and blood
Metabolism
Chemical reactions in the body
Keep you alive
Metabolic Rate
Speed chemical reactions occur in the body
Higher muscle to fat ratio =Higher metabolic rate
Exercise increases MR
Bigger people have higher MR
More Cells=More Energy
Men have higher MR
More muscle
Factors Affecting Health
Bad Diets
Obesity
Excess carbs or fat=obesity
Bad diet, overeating, lack or exercise, hormonal problems
Athritis, type 2 diabetes, high blood pressure, heart disease, cancer
Too much sat fat
High Cholesterol
Too much salt
High blood pressure
Heart Problems
Eat too little...
Malnutrition
Slow growth, fatigue, poor infection resistance
Defieciency Diseases
Exercise
Increases body's energy
Decreases fat stores
Builds muscle, increases MR
Fighting Disease
Pathogens
Bacteria
Small Cells
Damage Cells
Produce Toxins
Viruses
Not Cells
Replicate themselves
Cell Damage
Defence System
Skin, hairs and mucus
Platelets
Help blood clot to seal wounds
White Blood Cells
Engulf & Digest Foreign Cells
Antibodies
White blood cells find foreign antigens
Produce antibodies to lock onto and kill invading cells
Specific antibodies for each cell
Reproduce rapidly, killing bacteria or viruses
Antitoxins
Produced by invading bacteria
Vaccination
Inject small or inactive micro-organisms
Body produces antigens to help them
White blood cells can produce antibodies in future
Pros
Controls diseases that we're once common in UK
Epidemics prevented
Cons
Don't always work
Can have reactions
Antibiotics
Kill bacteria
Resistance
Bacteria can Mutate
Resistant strain- cause serious infection
Over-prescribed
Antiseptics
Semmelweis
Women not surviving childbirth
Unwashed hands
Bacteria Spreads
Antibiotic Resistance
Bacteria evolve it
Antibiotic Overuse
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