To learn how natural barriers function to protect your body from infection To learn how special cells in blood form part of the defence or immune system of your body.

1. MICROBES & NATURAL BARRIERS IN YOUR BODY www.sciencetutors.zoomshare.com

2. NATURAL BARRIERS Would you be worried if you find out that someone in the class had a particular infectious disease, e.g. chicken pox or flu. I will be worried: Hands up I can’t be bothered : Hands down www.sciencetutors.zoomshare.com

3. I will be worried: Hands up Explain Why you will be worried. Would you be worried if you find out that someone in the class had a particular infectious disease, e.g. chicken pox or flu. www.sciencetutors.zoomshare.com

4. I can’t be bothered : Explain why you can’t be bothered www.sciencetutors.zoomshare.com

10. Nonspecific Immunity The nonspecific responses are the first line of defense our body’s have against microbes. Nonspecific responses block the entry and spread of disease-causing agents example bacteria or fungus or virus. Some very familiar examples of nonspecific response are..... www.sciencetutors.zoomshare.com

12. NATURAL BARRIERS IN YOUR BODY Indicate in the boxes if parts shown are specific or nonspecific?

13. SPECIFIC IMMUNITY Highly specific responses or immunity are the second line of defense in your body and are tailored to an individual threat or tailored to carry out attack on microbes in specific ways. YOU MUST KNOW THAT Chemical barriers in your body are the second line of defense. www.sciencetutors.zoomshare.com