Differences between infectious and non-infectious disease | Science

Starter quiz

What two things do you need to know to calculate a person’s body mass index (BMI)?
- age
- height ✓
- mass ✓
- shoe size
- temperature
If a man has a BMI of 44, what category would he be in?
- less than 18.5 = underweight
- between 18.5 and 24.9 = healthy weight
- between 30 and 39.9 = obese
- 40 or more = severely obese ✓
The overall health of a person includes both physical and ______ health.
- 'mental' ✓
Which serious disease can lead to extreme weight loss and starvation?
- anorexia ✓
- coronary heart disease
- obesity
- stroke
Which type of muscle do we find in the heart?
- cardiac muscle ✓
- skeletal muscle
- smooth muscle
Match the organ to its function.
- lung
  
  ⇔
  
  the site of gas exchange ✓
- heart
  
  ⇔
  
  pumps blood around the body ✓
- blood vessels
  
  ⇔
  
  transports oxygen to cells and carbon dioxide to the lungs ✓

Which of the following can cause disease?
- bacteria ✓
- mammal
- fungus ✓
- fish
- virus ✓
Which diseases are associated with obesity?
- athlete's foot
- coronary heart disease ✓
- diabetes ✓
- malaria
A ______ is a microorganism that causes disease.
- 'pathogen' ✓
Which type of disease cannot be passed from person to person?
- infectious
- non-infectious ✓
Match up the disease to the cause.
- tuberculosis
  
  ⇔
  
  bacteria ✓
- measles
  
  ⇔
  
  virus ✓
- potato blight
  
  ⇔
  
  fungus ✓
Some children were asked “Who is most at risk of developing non-infectious diseases?” Who has given the best description?
- people that live in poverty and don't have access to education or healthy food ✓
- everyone is at an equal risk of non-infectious diseases
- people who don’t exercise regularly are most at risk

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Infectious diseases can be passed from one organism to another.
Infectious diseases are caused by pathogens including viruses and some bacteria.
Some lifestyle factors are linked to non-infectious diseases.
Non-infectious diseases cannot be passed from one organism to another.

Non-infectious diseases such as heart disease can be passed from person to person.

Only infectious diseases caused by pathogens can spread from person to person.

Infectious - Can be spread from organism to organism.
Disease - A persistent deviation from a person’s normal appearance, body function or behaviour.
Pathogen - A virus, bacterium or other microorganism that causes disease.
Viruses - Non-living infectious agents that can replicate inside a host cell.
Bacteria - Unicellular microorganisms that do not have a cell nucleus.