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HSC Biology

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3 | The search for better health

4: Often we recognise an infection by the symptoms it causes. The immune response is not so obvious, until we recover

Lesson 1 | The first line of defence of the body

  • Identify defence barriers to prevent entry of pathogens in humans:

    – Skin

    – Mucous membranes

    – Cilia

    – Chemical barriers

    – Other body secretions

  • Gather, process and present information from secondary sources to show how a named disease results from an imbalance of microflora in humans

Lesson 2 | Antigens

  • Identify antigens as molecules that trigger the immune response

  • Explain why organ transplants should trigger an immune response

Lesson 3 | Defence adaptations

  • Identify defence adaptations, including:

    – Inflammation response

    – Phagocytosis

    – Lymph system

    – Cell death to seal off pathogen

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  • HSCStudy Lab Lessons

    59 Lessons

    Lessons by expert teachers that cover the NSW HSC Biology Syllabus comprehensively.

  • HSCStudy Lab Quizzes

    59 Practice questions

    59 lesson quizzes that include a variety of questions. This course also includes 15 focus level and 3 module level tests, as well as a comprehensive end of course practice exam.

  • HSCStudy Lab videos

    59 Hours of video

    Videos that fully explain complex biology questions through animation, practical experiments, and tutorials.

  • HSCStudy Lab interactives

    29 Interactive activities

    Interactive activities that help you explore and understand key syllabus dot point as well as additional resources.

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