Summary: Keeping Healthy
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1 Keeping Healthy
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List the 6 components of a healthy diet
Carbohydrates, Protein, Fat, Vitamins, Minerals, Water -
What is the role of Protein, Vitamins and Minerals?
To provide what your body needs for cell growth and repair -
What happens when you don't eat enough vitamins/minerals?
Deficiency diseases arise -
What happens if energy output < energy input?
You gain weight -
What effect does exercise have on your metabolic rate?
It increases it as it increases muscle mass, and muscles require more energy -
How do viruses and bacteria make us ill?
They release toxins that our bodies don't know how to fight -
How does the body protect against pathogens?
Sneezing, Coughing, White blood cells -
Describe how white blood cells protect through antitoxins
White blood cells release antitoxins that destroy a pathogen's toxins -
How do vaccinations work?
A patient is injected with dead/inactive microbes, your body creates the necessary antibodies to combat the pathogens so when you're actually infected, your body can fight it off before you get ill -
Who is Ignaz Semmelweiss and what did he do?
He was a doctor in the mid 1800s and he realised that doctors transferred infection between patients and that if doctors washed their hands, infection and death rates fell rapidly
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