Textbook: Secondary Defences

£5.49

Master Secondary Defences fast ⚡ – clear explanations, supportive visuals, OCR-aligned.

Master Secondary Defences fast ⚡ – clear explanations, supportive visuals, OCR-aligned.

You’ll cover
• What secondary defences are and when they act in the immune response.
• The difference between non-specific and specific immune responses.
• The roles of phagocytes in the non-specific immune response.
• The process of phagocytosis, including recognition and digestion.
• How antigens link non-specific and specific immunity.

What’s included
• Clear tables showing which white blood cells act in non-specific and specific responses.
• Step-by-step visual diagrams illustrating the stages of phagocytosis.
• Structured comparison tables for neutrophils and macrophages.
• Labelled diagrams showing phagocyte structure and function.
• Concise spec reminders embedded alongside tables and visuals to reinforce key OCR wording and expectations.

Format
Web-based textbook topic. Mobile/desktop friendly. Access with no time limit, updates included.

FAQs

What's included in my purchase?

Full details are listed in the product description above. For digital resources, you'll get instant access after checkout. For services, we will aim to deliver the service in 5 working days.

Is this a subscription or a one-off payment?

All resources and services are one-off purchases. You only pay for what you choose - there are no subscriptions or recurring charges.

Which exam boards are digital resources for?

All resources are written specifically for OCR A Level Biology A (H420). We do not currently offer resources for other exam boards.

How long do I have access?

For digital resources, there's no time limit - access starts the moment you purchase.

How can I get help or support?

Drop us a message anytime in the web chat. We're always happy to help, whether it's a question about your purchase or something you're stuck on.

Privacy Overview

This website uses cookies so that we can provide you with the best user experience possible. Cookie information is stored in your browser and performs functions such as recognising you when you return to our website and helping our team to understand which sections of the website you find most interesting and useful.