Keeping Healthy

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  • Created by: EliseCeri
  • Created on: 13-04-15 16:09
What is a balanced diet?
A balance of all the different food groups you need to keep healthy.
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What are the food groups in a balanced diet?
Fruit and veg, carbohydrates, fat and sugar, dairy, protein
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Why do we need carbohydrates, fat and protein?
To release energy in the body and build new cells
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What happens if your diet is unbalanced?
You become malnourished
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Why do different people need different amounts of food?
The metabolic rate varies from person to person
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What happens if you eat to much food?
You will become obese
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long term obesity can cause what?
Type-two diabetes
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What happens when you eat to little food?
You become underweight
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What can being underweight lead to?
Deficiency disease and make it painful and difficult to move around
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What are two inherited factors that effect our health?
Your Metabolic rate and cholesterol levels
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Why do you need good cholesterol?
For your cell membranes and to make vital substances
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How can you lower your cholesterol?
By exercising
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What is the definition of 'metabolic rate'
The rate in which the cells in your body convert energy from food
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What are pathogens?
Tiny Microorganisms that cause infection disease
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What are the most common type of Pathogens?
Bacteria and Viruses
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How do pathogens harm you?
They release toxins inside your body
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True or false; Pathogens reproduce slowly
False
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How do viruses specifically harm you?
They reproduce inside your body cells which damages them.
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How do you prevent pathogens from spreading?
Wash your hands
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who was the doctor who discovered washing hands would prevent infection?
Semmelweiss
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What three ways the body try to defend against pathogens?
Skin (a natural barrier), mucus and stomach acid destroys them.
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What three ways do White blood cells defend against pathogens?
1. They ingest pathogens and destroy them 2. They produce anti-toxins to counteract the toxins 3. they produce anti-bodies to destroy the pathogen
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What can kill bacterial diseases?
Antibiotics
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Name one example of an antibiotic
Penicillin
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Why are viruses difficult to treat?
Because Viruses reproduce inside body cells which means treatment could damage your body cells and harm you.
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What do painkillers do?
They destroy the symptoms
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What can bacteria be grown on?
Agar jelly
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Tue or false; all equipment must be sterilized when growing bacteria.
True
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What do we use uncontaminated cultures for?
To investigate the effect of antibiotics and disinfectants on the bacteria
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What happens when a pathogen mutates
The new stain may spread rapidly cause epidemics and pandemics
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What is natural selection?
When bacterial develop resistance to antibiotics
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What do vaccines contain?
Dead or inactive forms of the pathogens
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What is the purpose of vaccination?
to encourage your white blood cells to produce antibodies that destroy the pathogens to make you immune to the disease
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Other cards in this set

Card 2

Front

What are the food groups in a balanced diet?

Back

Fruit and veg, carbohydrates, fat and sugar, dairy, protein

Card 3

Front

Why do we need carbohydrates, fat and protein?

Back

Preview of the front of card 3

Card 4

Front

What happens if your diet is unbalanced?

Back

Preview of the front of card 4

Card 5

Front

Why do different people need different amounts of food?

Back

Preview of the front of card 5
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