B1.1 Keeping healthy

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  • Created by: iosjack
  • Created on: 06-09-16 18:59
Carbohydrates
Source of energy
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Fats
Source of energy, make cell membranes and insulate bodies
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Proteins
Growth, repair and build new cells
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Mineral ions and Vitamins
Small amounts for healthy functioning body
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Imbalanced diet
Malnourished
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Exercise
Food with lower energy content than the amount of energy their body uses, the person will lose body mass
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Metabolic rate
Speed chemical reactions take place in the body, varies because of several factors, including age, gender and inherited factors. Increases as we exercise
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Mutation
Changing of structure of a gene resulting in variant form
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Antibiotics
Kill bacteria or their growth, live and reproduce inside cells
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Painkillers
Block nerve impulses
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Medicines
Some relieve symptons, others kill pathogens
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Antibodies
Protein that can neutralize pathogens
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Immunitity
Pathogens contain foreign chemicals called antigens. Lymphocytes (type of white blood cell) produce antibodies to kill a particular pathogen
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White blood cells
Ingest and destroy pathogens, produce antibodies and antitoxins that counteract pathogen toxins
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Virus
Only reproduce inside host cell, create hundreds of copies, fill host cell and burst it open, passed throughout the body
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Bacteria
Microscopic organism, living cell, rapidly multiply, release poisons or toxins that make us feel ill
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Vaccination
Injecting dead or inactivated pathogen into body to create antibodies
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Antibiotics
Kill bacterial infections
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Semmelweis
Realized washing hands helped prevent infection spreading
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Immune system
How body defends against pathogens
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Pathogen
Microorganism that causes disease in body: virus and bacteria
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Balanced diet
Contains carbohydrates, fats, proteins, vitamins and mineral ions
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Fibre
Keeps digestive system healthy
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Nutrient
Substance that provides nourishment essential for maintenance of life and growth
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Obesity
Illness such as: diabetes, high blood pressure, heart attacks, cancer
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Anorexia
Illness such as: fatigue, dizziness or osteoporosis
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Poor diet
Deficiency diseases such as: too little vitamin D in diet can lead to rickets
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Epidemics
A widespread occurrence of an infectious disease in a community at a particular time
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Pandemics
throughout an entire country, continent, or the whole world; epidemic over a large area
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Other cards in this set

Card 2

Front

Source of energy, make cell membranes and insulate bodies

Back

Fats

Card 3

Front

Growth, repair and build new cells

Back

Preview of the back of card 3

Card 4

Front

Small amounts for healthy functioning body

Back

Preview of the back of card 4

Card 5

Front

Malnourished

Back

Preview of the back of card 5
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