[slideshare id=22441&doc=crude-oil-and-its-products-28704&w=425]

podcast 1

podcast 2

One in eight people currently have the norovirus vomiting bug, which is highly infectious.

Read the section about diseases from p57-66 of your study guide. When you have completed this answer the questions on page 67 on a piece of A4 paper.

 11B Complete this by monday and hand it in – 11A can hand it later but it must also be done by monday because it has to be completed before the exam. 

[slideshare id=27476&doc=unit-3-health-body-and-immunity-13450&w=425]

infection podcast 1

infection podcast 2

drugs podcast 1

drugs podcast 2