Human Illnesses
Science: KS3, topic 1.6.36
Human Illnesses
A disease is something that stops the body from functioning normally. A disease's symptoms may be visible or invisible.
Causes of diseases
- Diseases are normally caused by microorganisms including:
- Fungi
- Viruses
- Bacteria
Transmission of diseases
- Diseases can be transmitted in numerous ways:
- Through the air
- Direct contact
- Food and water
- Sexually
- Genetically
Communicable diseases
- Diseases that can be spread to others are called communicable diseases.
- Examples of communicable diseases include:
- Chickenpox
- Covid
- Colds
Non-communicable diseases
- Diseases that cannot be spread to others are called non-communicable diseases.
- Examples of non-communicable diseases include:
- Cancer
- Diabetes
Diseases spread by Fungi
- Ringworm is a disease caused by a fungal infection.
- Ringworm can cause a ring-shaped rash
- A ringworm rash can be very itchy and dry.
- A ringworm rash may swell.
- Ringworm can be treated by antifungal medicine.
Test yourself on Human Illnesses
What are some ways that diseases can be transmitted to others?
What is the cause of ringworm?
Why is ringworm treated with antifungal medicine instead of a medicine that kills bacteria?
Which statement about chickenpox and diabetes is correct?