Question | Answer |
Name three different factors that affect your metabolic rate? | Size, Gender, Age, Temperature, Fat to muscle ratio, Genetics |
Name the two ways to lose weight | Reduce energy input and increase energy output |
Why is your cholesterol partly inherited? | Because your cholesterol is determined by how well your liver deals with fats and you inherit your liver. |
What makes viruses differ from bacteria? | They are smaller, in regular shapes, viruses are all harmful, viruses rarely produce toxins, viruses aren't killed by antibiotics. |
How do white blood cells fight pathogens? | They ingest the pathogens, release antibodies to suppress the pathogens and also antitoxins which counteract the toxins released by bacteria |
What is the optimal temperature to culture bacteria in an industrial lab and why is it lower at school? | 37C but it is lower in schools so that any harmful microorganisms can be controlled easily without causing an outbreak. |
What is an epidemic? | An outbreak of a disease that is higher than normal in a particular country. |
What are the 7 nutrients? | Protein, Carbohydrates, Fat, Minerals, Vitamins, Water, Fibre, |
Describe a vaccination and what takes place | A dead or weakened form of a pathogen is injected into a person to allow their body to produce antibodies to fight the pathogen. Once a live form of this pathogen enters their body, they easily deal with it because they can produce antibodies quickly. |