Flashcards
B1-Diet, Exercise and How our Bodies Defend themselves against Disease
Cards in this deck (15)
- 1What are Carbohydrates for?Energy
- 2What are Fats for?Energy and Insulation
- 3What is protein for?Growth, Cell repair and cell replacement
- 4What is Fibre for?To keep everything moving smoothly (POO!)
- 5What do vitamins and mineral ions do?Keep the skin, bones etc. healthy
- 6What is the name for the speed at which chemical reactions inside the body happen?Metabolic Rate
- 7What is a Pathogen?A microorganism that enters the body and causes disease
- 8What are the two main types of bacteria?Bacteria and Viruses
- 9BacteriaSmall living cells
Produce rapidly
Make you puke by damaging cells - 10VirusesThey ARE NOT CELLS
They replicate themselves ;(
by invading your cells and using their machinery to make copies of themselves - 11What stops nasties getting into your body?Skin, Hair and Mucus
- 12What also stops microorganisms from getting in through cuts/ wounds?Plateletes in your blood (small fragments of red blood cells) help by clotting
- 13What do white blood cells do?They engulf foreign cells
or produce antibodies
or produce antitoxins - 14How did Semmelweis cut deaths?By using ANTISCEPTICS
- 15What happens when bacteria becomes resistant to antibiotics?MUTATIONS of pathogens produce new strains/reproduce
population increases and BAM!
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- GCSE Biology (B1) Flashcards on B1-Diet, Exercise and How our Bodies Defend themselves against Disease, created by poppysullivan0 on 29/11/2013.
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- poppysullivan0
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