They are a source of energy, needed to make cell membranes and to insulate our bodies.
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What do proteins do?
They help with growth and repair, and with building cells.
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What is metabolic rate?
The speed at which chemical reactions happen in our body.
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What happens to the metabolic rate when we exercise?
It increases and stays high for a while.
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Where is cholesterol made? What is it used for?
It is made in the liver and used for healthy cell membranes.
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What does too much cholesterol do?
Increases the risk of heart disease.
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What are pathogens?
Microorganisms such as bacteria and viruses.
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What is the difference between bacteria and pathogens?
Pathogens are smaller. Bacteria is a cell that multiplies. Viruses are organisms that reproduce inside cells and destroy them.
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What do white blood cells do?
Ingest pathogens and destroy them. Produce antibodies. Produce antitoxins.
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What do vaccinations involve and do?
Vaccinations involve putting a small amount of dead pathogen in to the body, which stimulates white blood cells to create antibodies; which are then remembered.
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What is the difference in painkillers and antibiotics?
Painkillers relieve the symptoms of disease whilst antibiotics help destroy the infectious pathogens.
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Other cards in this set
Card 2
Front
What do fats do?
Back
They are a source of energy, needed to make cell membranes and to insulate our bodies.
Card 3
Front
What do proteins do?
Back
Card 4
Front
What is metabolic rate?
Back
Card 5
Front
What happens to the metabolic rate when we exercise?
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