GCSE Core Science Human Biology

Key WordsKey WordsVACCINE, IMMUNEVACCINE, IMMUNE

GCSE Core Science Human BiologySTARTERBacteria in the blood make unique …………… on their surfaces called …………… .

………………… are made by ....................... .......................... ........................... which recognise them as different. They then bind to the ………………… on the surface of the bacteria.

Some white cells make ........................... to attack the ………………… . This destroys the ………………… .

Your white blood cells remember the right ………………… needed to tackle a particular ………………… . If you meet that ………………… again, they can make the same ………………… very quickly. So you become ……………… to that disease.

PROTEINSPROTEINSANTIGENSANTIGENS

ANTIBODIESANTIBODIES WHITEWHITE BLOODBLOODCELLSCELLS

ANTIGENSANTIGENS

ANTITOXINSANTITOXINSBACTERIAL TOXINSBACTERIAL TOXINS BACTERIABACTERIA

ANTIBODYANTIBODYANTIGENANTIGEN

BACTERIABACTERIA ANTIBODYANTIBODYIMMUNEIMMUNE

GCSE Core Science Human BiologyObjectives

By the end of the lesson I will: • Know the difference types of immunity•Know that you can be immunised against getting a disease•Know that a vaccine is made from dead or inactive forms of the pathogen and is given to persons so that they may develop immunity•Be able to give specific immune examples

GCSE Core Science Human Biology

Dead or inactive forms of an organism can be Dead or inactive forms of an organism can be made into a vaccine, which can be injected into made into a vaccine, which can be injected into the body.the body.

The white blood cells react by producing The white blood cells react by producing antibodies.antibodies.

This makes the person immune and prevents This makes the person immune and prevents further infection, as the body responds quickly further infection, as the body responds quickly by producing more antibodies.by producing more antibodies.

There is an argument over whether some There is an argument over whether some vaccines are completely safe for example the vaccines are completely safe for example the MMR vaccine for measles, mumps and rubella.MMR vaccine for measles, mumps and rubella.

Task 1

http://www.immunisation.nhs.uk/Vaccines

GCSE Core Science Human Biology

GCSE Core Science Human Biology

This is how vaccines protect you against dangerous infectious diseases

Task 2

GCSE Core Science Human Biology

GCSE Core Science Human Biology

GCSE Core Science Human Biology

GCSE Core Science Human BiologyTask 2

List the advantages and List the advantages and disadvantages of giving your child disadvantages of giving your child the MMR vaccine.the MMR vaccine.

Use PEE to write a paragraph Use PEE to write a paragraph explaining which side of the explaining which side of the argument you belong and explain argument you belong and explain why providing evidencewhy providing evidence

GCSE Core Science Human BiologyObjectives

By the end of the lesson I will: • Know the difference types of immunity•Know that you can be immunised against getting a disease•Know that a vaccine is made from dead or inactive forms of the pathogen and is given to persons so that they may develop immunity•Be able to give specific immune examples

GCSE Core Science Human BiologyExtension task

Use page 69 to answer thisA* question

What problems do mutations cause What problems do mutations cause in hospitalsin hospitals

5 marks5 marks