Y8 Humans 13 two types of immunity

2 Types of Immunity ,[object Object],[object Object]

White blood cells - recap Engulf Antibodies Break cell wall Antitoxins

Antibodies Antibodies attach themselves to the markers ( antigens ) on the bacteria.

Antibodies The antibodies have to be the right shape to match the antigens .

Antibodies Your body only knows what shape to make the antibodies after you have caught the disease and become ill.

Match the antibody to the microbe a b d c 1 2 3 4

Vaccination ,[object Object],[object Object],[object Object]

Fighting disease NATURAL IMMUNITY This is when antibodies are produced by a person when needed or they are passed on by the mother during pregnancy. ARTIFICIAL IMMUNITY ,[object Object],[object Object],[object Object]

Acquired Immunity Artificially acquired Naturally acquired Active Active Passive Passive ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

L ive attenuated (weakened) ,[object Object],[object Object],[object Object],Whole-agent vaccine Inactivated (killed) ,[object Object],[object Object],Contains whole, non-virulent micro-organisms

Disease defence - what’s the order?

Y8 Humans 13 two types of immunity

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Y8 Humans 13 two types of immunity