1) What is a pathogen? a) a type of mould b) a jelly you grow microbes on c) part of the blood system d) a harmful microorganism e) a small box 2) What system protects our bodies from pathogens? a) a sound system b) our five senses c) the immune system d) the lungs e) the digestive system 3) How often do pathogens try to invade our bodies? a) Every week b) all the time c) when other people cough d) when we touch dirty surfaces e) when we are in the same room as someone else f) every month 4) How can pathogens be spread a) coughing, sneezing and touching b) by not exercising enough c) by eating unhealthily d) pathogens are not spread 5) What is the first layer of defence against pathogens? a) Our heart b) Our clothing c) Our house d) Our skin e) Our suit of amour 6) What is one of the best ways to prevent the spread of pathogens? a) To wash our clothes b) To wash our car c) To wash our hands d) To wash our pets e) To clean our home 7) What colour blood cells watch out for pathogens? a) Red b) Blue c) Pink d) Green e) White 8) There are three types of these blood cells, what are they called? a) Lucasade, Lemonade and Orangeade b) Stalactites, Stalagmites and Headlice c) Neutrophils, Macrophages, Lymphocytes d) Mastercard, Visa and Access 9) What type of white blood cell attacks infections? a) Macrophages b) Lymphocytes c) Limpets d) Microscopes e) Red blood cells 10) What do T cells do? a) Find pathogens and destroy them b) Find pathogens and increase them c) Find pathogens and give them oxygen d) Find pathogens and care for them e) Find pathogens and nurse them

Immune system

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