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Year 10 - Science

Sexually transmitted infections

Health and disease

Unit Summary

This unit explores health and disease, including communicable and non-communicable types and their interactions. It examines lifestyle impacts, disease spread, evaluates cardiovascular treatments, and highlights the importance of risk evaluation, peer review, and effective communication of results.

Lesson Summary

You will learn to describe examples of common sexually transmitted infections in humans and ways to reduce their spread.

Key Notes

  • Some pathogens are spread by direct contact, or transfer of body fluids, during sexual activity.
  • Gonorrhoea and chlamydia as examples of common sexually transmitted infections caused by bacteria.
  • Ways to prevent the spread of gonorrhoea and chlamydia, and issues in treating them (including resistance).
  • HIV as an example of a common sexually transmitted infection caused by a virus, and ways to prevent the spread.
  • Effects of AIDS on the body, increased risk of other diseases (inc. TB), and management of progression in HIV+ people .

Vocabulary To Learn

  • sexually transmitted infection: A communicable disease that is spread through sexual activity.
  • contraception: A way of preventing pregnancy.
  • barrier method: A form of contraception that prevents pregnancy by blocking the sperm reaching the egg, and can also stop the spread of sexually transmitted infections.

Common Mistakes To Avoid

  • HIV and AIDS are the same thing.

3 Quick Questions (With Answers)

1. Explain the scientific idea in this lesson using two key points.

Some pathogens are spread by direct contact, or transfer of body fluids, during sexual activity. Gonorrhoea and chlamydia as examples of common sexually transmitted infections caused by bacteria.

2. Define this scientific word and use it in context. 'sexually transmitted infection'

A communicable disease that is spread through sexual activity. Include the word in a full scientific explanation, not as a single label.

3. Correct this common scientific misunderstanding.

Mistake: HIV and AIDS are the same thing. Correction: HIV is the virus and AIDS is a consequence of late-stage HIV infection.

More Lessons In This Unit

Browse all guides in the Year 10 Science guide library.