Biology Keeping Healthy

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  • Created by: Maddi
  • Created on: 31-08-13 14:22
The condition when the body does not get a balanced diet.
Malnourished
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The rate at which the reactions of your body take place.
Metabolic rate
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Passed on from parents to their offspring through genes.
Inherited
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If a person's body carries excess fat and their BMI is between 25 and 30.
Overweight
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Very overweight, with a BMI of over 20.
Obese
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Disease which can be passed from one individual to another.
Infectious diseases
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Bacteria, viruses and other organisms that can only be seen using a microscope.
Microorganism
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Capable of causing infection.
Infectious
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Microorganisms which cause disease.
Pathogens
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Single-celled microorganisms that can reproduce very rapidly. Many are useful.
Bacteria
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Microorganism which takes over body cells and reproduces rapidly, causing disease.
Viruses
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A way of spreading infectious diseases through the tiny droplets full of pathogens, which are expelled from your body when you cough, sneeze or talk.
Droplet Infection
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A way of spreading infectious diseases by skin contact between two people.
Direct Contact
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Blood cell which is involved in the immune system of the body, engulfing bacteria, making antibodies and making antitoxins.
White blood cells
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The body system to cells carrying foreign antigens. It results in the production of antibodies against foreign cells and the destruction of those cells.
Immune system
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The unique protein on the surface of a cell. It is recognised by the immune system as ‘self’ or ‘non self’.
Antigen
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Antibiotics
Drug that destroys bacteria inside the body without damaging human cells.
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Culture medium
A substance containing the nutrients needed for microorganisms to grow.
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The nutrient jelly on which many microorganisms are cultured.
Agar
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Mutation
A change in the genetic material of an organisms.
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Inoculate
To make someone immune to a disease by injecting them with a vaccine which stimulates the immune system to make antibiotics.
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Natural selection
The process by which evolution takes place. Organisms produce more offspring than the environment can support to those which are most suited to their –the ‘fittest’ – will survive to breed and pass on their useful characteristics.
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MRSA
Methicillin-resistant Staphylococcus aureus. An antibacterial-resistant bacterium.
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When more causes of an infectious disease are recorded than would normally be expected.
Epidemic
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When more causes of a disease are recorded than normal in a number of different countries.
Pandemic
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Giving a vaccine that allows immunity to develop without exposure to the disease itself.
Immunisation
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Introducing small quantities of dead or inactive pathogens into the body to stimulate the white blood cells to produce antibodies that destroy the pathogens. This makes the person immune to future infection.
Vaccination
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Vaccine
The dead or inactive pathogen material used in vaccination.
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Other cards in this set

Card 2

Front

The rate at which the reactions of your body take place.

Back

Metabolic rate

Card 3

Front

Passed on from parents to their offspring through genes.

Back

Preview of the front of card 3

Card 4

Front

If a person's body carries excess fat and their BMI is between 25 and 30.

Back

Preview of the front of card 4

Card 5

Front

Very overweight, with a BMI of over 20.

Back

Preview of the front of card 5
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