biology paper one

• coronary artery is the blood vessel that delivers oxygen to the capillaries in the heart muscle
• factors which may affect the risk of heart disease are high blood pressure, obesity, physical activity, smoking and family history of heart disease.
• statins reduces cholesterol in the blood which reduces the build up of fatty materials
• state symptoms of salmonella

  some symptoms for salmonella is fever, stomach cramps, vomiting, diarrhoea
• how is salmonella spread

  eating contaminated food
• what type of pathogen is salmonella

  bacterial
• how do you cure salmonella

  chickens and turkeys are vaccinated
• what type of pathogen is gonorrhoea

  bacterial
• what are some symptoms of gonorrhoea

  pain when urinating, yellow/green discharge from penis/vagina
• how is gonorrhoea spread 


  STD - sexual contact
• what type of pathogen is measles

  viral
• state some symptoms of measles

  red rash, fever
• how is measles spread

  droplets from an infected sneeze or cough
• how can measles be cured 


  vaccination when they are young
• what type of pathogen is HIV 


  viral
• what are some symptoms of HIV 


  flu-like, attacks immune system
• how is HIV spread 


  sexual contact, sharing bodily fluids
• what type of pathogen is TMV 


  viral
• what are some symptoms of TMV 


  a mosaic pattern on leaf
• how does TMV spread

  plant contact