B1: 1.1-1.10

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  • Created by: Elisha
  • Created on: 13-10-13 10:46
What makes a healthy diet?
Carbohydrates, proteins, fats, vitamins, minerals, fibres and water.
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What is a metabolic rate?
The rate at which reactions of your body take place.
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Name two weight problems.
Obesity and malnourishment.
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What happens when you have a higher intake of energy, than what you use?
The extra food will be stored as excess fat.
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Name two inherited factors?
Metabolic rate and cholesterol level.
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What are bacteria?
Single-celled living organisms. Smaller than animal and plant cells.
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What are viruses?
Smaller than bacteria. Cause disease in every type of living organism.
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What are microorganisms that cause disease called?
Pathogens.
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What do bacteria produce inside your body?
Bacteria product toxins which make you feel ill.
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What do viruses do to your cells as they reproduce?
Viruses damage your cells when they reproduce, causing you to feel ill.
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What did Ignaz Semmelweis do to help improve health in hospitals to stop the spread of bacteria and viruses?
Semmelweis showed the importance of washing your hands and dis-infectant on tools used in surgery.
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Name 4 types of ways pathogens are spread?
Droplet infection, Direct Contact, Contaminated food or drink, break in your skin.
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What do antibiotics do?
Antibiotics kill the bacteria inside your body that causes disease. They damage the bacterial cells without harming your own cells.
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How can you grow bacteria, in 3 steps?
1. Sterilies inoculating loop, used to transfer micro-organisms to the agar by heating it until it is red hot. 2. Dip the sterilised loop in a petri dish filled with agar jelly. 3.Seal the lid of the petri dish to prevent other micro-organisms
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What's the difference between an epidemic and a pandemic?
An epidemic is a spread of disease in one country, whereas a pandemic is a spread of disease accross several countries.
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What do your white blood cells produce?
Your white blood cells produce antibodies to destroy the pathogens.
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Immunity.
1.immmunisation/vaccination-dad or inactive pathogen introduced to your body to give your white blood cells recognition to prevent you from getting ill from the same pathogen again. 2.antigens-destroy pathogens.
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Other cards in this set

Card 2

Front

What is a metabolic rate?

Back

The rate at which reactions of your body take place.

Card 3

Front

Name two weight problems.

Back

Preview of the front of card 3

Card 4

Front

What happens when you have a higher intake of energy, than what you use?

Back

Preview of the front of card 4

Card 5

Front

Name two inherited factors?

Back

Preview of the front of card 5
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